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Health Library A to Z

H

  • About the Heart and Blood Vessels
  • Detailed anatomical description of the heart's blood vessels, including simple definitions and a labeled, full-color illustration

  • Blood in the Eye (Hyphema) in Children
  • Hyphema is blood in the front (anterior) chamber of the eye. This is located between the clear front part of the eye (cornea) and the colored part of the eye (iris). This section is where fluid flows in and out. The fluid gives nourishment to the eye and tissues around it.

  • Dialysis
  • Detailed information on dialysis, including peritoneal dialysis and hemodialysis

  • Haemophilus Influenzae Infections in Children
  • Haemophilus influenzae (H. influenzae) is a group of bacteria that can cause different types of infections in babies and children. H. influenzae most often cause ear, eye, or sinus infections. They also cause pneumonia.

  • Haemophilus Influenzae Type b (Hib)
  • Haemophilus influenzae type b is a serious bacterial disease that usually strikes children younger than 5. It is spread from person-to-person by coughing and sneezing.

  • Hand-Foot-and-Mouth Disease in Children
  • Hand-foot-and-mouth disease is an illness caused by a virus. It causes a rash on the palms of the hands and soles of the feet. It can also occur in the diaper area, and on the legs and arms.

  • Have a Hazard-Free Halloween
  • Halloween safety begins at home, with the child's costume. Every part of the costume -- masks, beards, wigs and clothing -- should be made of flame-resistant material.

  • Head Injury in Children
  • A head injury can be as mild as a bump, bruise (contusion), or cut on the head. Or it can be a concussion, a deep cut or open wound, broken skull bones, internal bleeding, or damage to the brain. Head injuries are one of the most common causes of disability and death in children.

  • Head Lice in Children
  • Head lice are tiny parasitic bugs that can infest the skin. They live on people’s heads and feed on their blood. Head lice can cause intense itching.

  • Headaches in Children
  • A headache is pain or discomfort in one or more areas of the head or face. Headaches can happen once in a while. Or they may happen often.

  • Health Highlights: April 16, 2019
  • Only Half of Patients Taking Statins Reach Cholesterol Targets: Study555 Confirmed Measles Cases in U.S. Since Jan. 1: CDCTerminally Ill People in New Jersey Given Right to End Lives

  • Health Highlights: April 17, 2019
  • Stanford Faculty Members Cleared in Gene-Edited Babies CaseIsraeli Flight Attendant in Coma After Getting MeaslesRaw Tuna Linked to Salmonella Outbreak in Seven States: CDCSinger Bebe Rexha Has Bipolar DisorderSome Batches of Ben & Jerry's Ice Cream Recalled for Undeclared Tree Nuts

  • Health Highlights: April 18, 2019
  • Wash. State Employees Poised to Be First in U.S. to Get Long-Term Care BenefitSixty People Charged in Massive Opioid Painkiller InvestigationEnlarged Prostate Meds May Increase Diabetes RiskStanford Faculty Members Cleared in Gene-Edited Babies Case

  • Health Highlights: April 19, 2019
  • Researchers Get $350 Million to Fight U.S. Opioid EpidemicBill Would Raise U.S. Minimum Age for Tobacco to 21Wash. State Employees Poised to Be First in U.S. to Get Long-Term Care Benefit

  • Health Highlights: April 2, 2019
  • U.S. Measles Cases Top Last Year's TotalAmericans Borrowed $88 Billion in Past Year to Pay for Health Care: SurveyMick Jagger to Have Heart Valve Surgery

  • Health Highlights: April 23, 2019
  • Electrical Stimulation Restores Parkinson's Patients' Walking AbilityMalawi First Country to Immunize Children Against MalariaL.A. County Measles Outbreak Under Investigation

  • Health Highlights: April 26, 2019
  • Hundreds Quarantined for Measles at Two Los Angeles UniversitiesFood Poisoning Cases Rise in U.S.First Confirmed ID of "Kissing Bug" in Delaware

  • Health Highlights: April 29, 2019
  • 'Brady Bunch' Actors Angry Over Measles Episode's Use by Anti-VaxxersNearly 700 at LA Universities Remain Under Measles Quarantine

  • Health Highlights: April 8, 2019
  • N.Y. Judge Lifts Ban on Unvaccinated Children in Public PlacesHunt's Tomato Paste Recalled for Mold DangerAntibiotics Prescribed More Often to Children During Telemedicine Visits

  • Health Highlights: Aug. 1, 2019
  • No-Tobacco Policy for New City Workers in DaytonFirst Ebola Transmission in Congo City of GomaTrial Tests CRISPR Gene-Editing to Treat Sickle Cell Disease

  • Health Highlights: Aug. 19, 2019
  • Children Can Make You Happier, But Only After They've Left Home: StudyWeaver Frozen Chicken Patties Recalled Due to Foreign MatterPlague Concerns Close Parts of Wildlife Refuge Near Denver

  • Health Highlights: Aug. 2, 2019
  • U.S. Drug OD Death Rates Now Higher in Cities Than Rural AreasU.S. Air Force Orders Day Off Training to Focus on Suicide Epidemic

  • Health Highlights: Dec. 13, 2018
  • UNAIDS Head Resigns After Critical ReportCanned Corn Recalled by Del MonteMore Cases in Salmonella Outbreak Linked to Recalled BeefU.S. Embassy Staff in Cuba Had Inner Ear Damage: Study

  • Health Highlights: Dec. 3, 2018
  • Cases of Polio-Like Illness Now at 134, But Season May Have PeakedToo Much Meat At Climate Conference: Environmental Groups

  • Health Highlights: Feb. 1, 2019
  • Shortage of Anxiety Drug Concerns Patients, DoctorsToo Many Kids Using Too Much ToothpastePain Often Missed in GirlsStaying Off Facebook Brings Benefits: Study

  • Health Highlights: Feb. 12, 2019
  • Teen Defies Mother, Gets VaccinationsA.I. May Help Diagnose PatientsOut-of-Pocket Costs for Employer Health Insurance on the Rise'Ultraprocessed' Foods Tied to Higher Death Risk: StudyMeasles Outbreak Triggers Sharp Rise in Demand for Vaccine in Washington State

  • Health Highlights: Feb. 18, 2019
  • Cereals Recalled Due to Undeclared GlutenSalmonella Outbreak Linked to Raw Turkey Products Now at 279 Cases: CDCImmunotherapies Prove Their Mettle Against Kidney CancerChronic Wasting Disease Found in Deer in 24 States

  • Health Highlights: Feb. 20, 2019
  • New Test Quickly Diagnoses SepsisNew Kaiser Permanente Medical School to Waive Tuition for First Five Classes of StudentsCereals Recalled Due to Undeclared GlutenSalmonella Outbreak Linked to Raw Turkey Products Now at 279 Cases: CDC

  • Health Highlights: Feb. 28, 2019
  • Man Who Helped Expose Tuskegee Syphilis Experiment DiesTexas Politician Behind Anti-Vaxx Bill Thinks Measles Can be Treated With AntibioticsBachman Pretzels Recalled Due to Undeclared Milk

  • Health Highlights: Feb. 6, 2019
  • Evidence for Climate Change Strengthens, With 2018 4th Warmest Year on RecordPatient Tested for Ebola at Philadelphia HospitalExploding E-Cigarette Kills Texas ManRuth Bader Ginsburg Makes First Public Appearance Since Cancer Surgery

  • Health Highlights: Jan. 10, 2019
  • E. Coli Outbreak Linked to Romaine Lettuce Is Over: CDCPolice to Collect DNA From Male Workers at Phoenix Facility Where Comatose Woman Gave Birth

  • Health Highlights: Jan. 28, 2019
  • U.S. Nobel Laureate Knew About Gene-Edited Babies Long Before They Were BornWashington State Declares Emergency As Measles Spreads in Anti-Vax 'Hotspot''Sneezed-In' Tissues Marketed to Prevent Colds, FluGene Therapy Shows Promise Against Sickle Cell Disease

  • Health Highlights: Jan. 29, 2019
  • Prepared Foods With Baby Spinach Recalled by Whole Food MarketsThrive Market Recalls Nut ButtersAntibiotic-Resistance Genes From India Found in Arctic: StudyU.S. Nobel Laureate Knew About Gene-Edited Babies Long Before They Were Born

  • Health Highlights: Jan. 31, 2019
  • Staying Off Facebook Brings Benefits: StudyScientists Spot Genes Tied to Being a Night or Morning PersonBrain Injury Raises Risk of PTSD, Depression: StudyUse of Live Pigs at Brown University's Medical School is Illegal, Doctor Group SaysMore Infant Ibuprofen Recalled Due to Higher Concentrations

  • Health Highlights: Jan. 7, 2019
  • 'Sonic Attacks' on U.S. Embassy Staff in Cuba May Have Been CricketsSwedish Patient Does Not Have EbolaStrong Tobacco Sales Rules May Reduce Teen Smoking: Study

  • Health Highlights: Jan. 8, 2019
  • AI Technology Detects Genetic Diseases Using Facial PhotosAirliner Crashes, Deaths Rose in 2018'Sonic Attacks' on U.S. Embassy Staff in Cuba May Have Been Crickets

  • Health Highlights: Jan. 9, 2019
  • Police to Collect DNA From Male Workers at Phoenix Facility Where Comatose Woman Gave BirthMeasles Outbreak in New York State Largest in Recent HistoryAI Technology Detects Genetic Diseases Using Facial Photos

  • Health Highlights: July 2, 2019
  • Lawsuit Challenges Mississippi Law on Labeling of Meatless ProductsVermont Places 92% Tax on E-CigarettesPackaged Vegetables Recalled by Growers ExpressFlesh-Eating Bacteria Claims Life of Florida Woman

  • Health Highlights: July 20, 2019
  • Experts Warn of Mosquito-Borne Brain Infection in FloridaNC Man Dies of Brain-Eating Amoeba After Visiting Water ParkLifesaving Drug for Babies Costs $2.1 Million a Dose

  • Health Highlights: July 26, 2019
  • Juul Electronic Cigarettes Never Meant for Teens, Company Co-Founder SaysFirst U.S. Trial Using CRISPR Within the Body Is Set to Begin

  • Health Highlights: July 3, 2019
  • Fentanyl-Like Drugs Should be Permanently Classified as Controlled Substances: DOJLawsuit Challenges Mississippi Law on Labeling of Meatless Products

  • Health Highlights: July 8, 2019
  • Stevie Wonder to Have Kidney TransplantSalmonella Outbreak Linked to Pig Ear Dog Treats: CDCCavi Brand Whole, Fresh Papayas Linked to Salmonella OutbreakEye Drops, Ointments Sold At Walgreens RecalledFormer NFL Star Tedy Bruschi Recovering From StrokeAll Mississippi Coastal Beaches Closed Due to Algae Bloom

  • Health Highlights: June 12, 2019
  • More Women Should Be On Science Panels, NIH Head SaysCostco Frozen Blackberries Recalled, May Be Tainted With Hepatitis ANew Facebook Feature Aims to Boost Blood Donations

  • Health Highlights: June 28, 2019
  • Older Kids Should Get Hepatitis A Vaccine: Expert PanelFisher-Price Recalls 71,000 More INfant SleepersScientists Create 'Mini-Brains' for Lab UseLast Flu Season's Vaccine Only 29% Effective: CDC

  • Health Highlights: March 14, 2019
  • Jury Awards $29.4 Million in Talcum Powder/Cancer CaseButterball Ground Turkey Recalled Due to Possible SalmonellaN.Y. Judge Bans 50 Unvaccinated Students From SchoolAmazon Removes Books Making False Claims About Autism Cures

  • Health Highlights: March 18, 2019
  • Herpes Viruses Can Reactivate In Astronauts While in Space: StudyExpandable Heart Valves Could Mean Fewer Heart SurgeriesAfter Congo Visit, CDC Director Says Ebola Outbreak Could Last a Year

  • Health Highlights: March 22, 2019
  • Unvaccinated Kentucky Student Sues Health Department Over School BanTyson Recalls 69,000 Lbs. of Chicken Strip Products'Game of Thrones' Actress Had Two Brain AneurysmsHill's Expands Dog Food RecallCBD Products Now Available at Hundreds of CVS StoresBaby Cough Syrup Recalled

  • Health Highlights: March 6, 2019
  • Wisconsin Man Charged After Breaking Measles QuarantineTeen Who Defied Mom to Get Vaccinated Testifies Before CongressSperm Retrieved From Brain Dead West Point CadetSalmonella Spurs Recall of Sunstone Organics Kratom

  • Health Highlights: Nov. 15, 2018
  • Newer Nonstick Coating May Pose Health Threat: EPAName-Brand Meds Driving Spike in U.S. Drug SpendingRecord Number of Tick-Borne Disease Cases in U.S. Last Year: CDCPrimary Care Doctors Should Screen Adult Patients for Unhealthy Drinking: Task Force

  • Health Highlights: Nov. 20, 2018
  • Vaccine-Exempt Students Behind N.C. Chickenpox OutbreakCDC Creates Task Force to Track Polio-Like DiseaseCap'n Crunch Cereal Recalled Due to Salmonella Scare

  • Health Highlights: Oct. 1, 2018
  • First Human Case of Rat Strain of Hepatitis E'Very High Risk' That Ebola Will Spread From Congo: WHOU.S. and Japanese Researchers Awarded Nobel Prize in Medicine

  • Health Highlights: Oct. 12, 2018
  • More Young American Children Not Getting Recommended Vaccines: CDCNine Recent Cases of Polio-Like Illness Among Children in Illinois Being Investigated

  • Health Highlights: Oct. 16, 2018
  • Heart Researcher's Papers Contain Fraudulent Data: HarvardWHO Calls Meeting on Congo Ebola OutbreakMicrosoft Co-Founder Paul Allen Dead at Age 65

  • Health Highlights: Oct. 18, 2018
  • Sharp Drop in U.S. Life Expectancy Rankings by 2040: StudyCongo Ebola Outbreak Not a Global Emergency: WHOSalmonella Cases Linked to Raw Chicken Products Rises to 92 in 29 States: CDC

  • Health Highlights: Oct. 2, 2018
  • Ricin Detected in Mail Sent to PentagonBone Drug Could Be Helping More Women: StudyIn Rare Case, Breakthrough Leukemia Treatment Is Tied to Patient's Death

  • Health Highlights: Oct. 4, 2018
  • Listeria Contamination in Ham Products Linked to One DeathMarijuana a Threat to Teens' Brains: StudyU.S., British Scientists Awarded Nobel Prize in Chemistry for Protein Research

  • Health Highlights: Sept. 12, 2019
  • VA May Have to Pay Billions for Veterans' Emergency Care ClaimsAllergy Danger Spurs Tuna Steak RecallScientists Use Gene-Editing Tool CRISPR in Attempt to Cure HIV

  • Health Highlights: Sept. 4, 2019
  • New Facebook, Instagram Pop-Up Windows Counter Vaccine MisinformationMichigan First State to Ban Flavored E-CigarettesSecond Possible Death in U.S. From Vaping-Related Lung IllnessCalifornia Bill Targets Doctors Who Sell Fake Vaccine Medical ExemptionsNYC Measles Outbreak Over: Officials

  • Healthy Diets Overview
  • Eating healthy is an important part of a healthy lifestyle and is something that should be taught to children at a young age.

  • Healthy Sleep Habits
  • The normal amount of sleep varies depending on the age of your child. A 2-year-old needs 10 to 12 hours a night, plus naps during the day. By age 6, a child usually has dropped naps, but still needs 10 hours at night.

  • Hearing Aids for Children
  • Hearing aids can help improve hearing and speech, especially in children with hearing loss in the inner ear caused by damaged hair cells or a damaged hearing nerve. Read on to learn about the types of hearing aids available, and what to think about before buying one.

  • Hearing Loss in Babies
  • Hearing loss in babies is rare in this country. But when it does happen, it's important to diagnose it early. Undetected hearing loss can delay speech and language development.

  • Heart Disorders
  • Detailed information on heart disorders in high-risk newborns

  • Heart Failure in Children
  • Heart failure is when the heart can't pump enough blood to the body. In children, it is often caused by a congenital heart defect.

  • Heart Murmurs in Children
  • Heart murmurs are extra or unusual sounds made by blood moving through the heart. Many children have heart murmurs. Some cause no problems or go away over time. Others require treatment.

  • Heart Transplant for Children
  • A heart transplant is a surgery to replace a diseased heart with a healthy one from an organ donor. Organ donors are adults or children who have become critically ill, often because because of injury. They will not live because of their illness or injury.

  • Helicobacter Pylori in Children
  • H. pylori (Helicobacter pylori) is a spiral-shaped germ (bacteria) that infects the stomach. It can damage the tissue in your child’s stomach and the first part of the small intestine (duodenum). This can cause redness and swelling (inflammation). It may also cause painful sores called peptic ulcers in the upper digestive tract.

  • Helping Kids Cope with a Divorce
  • Anger, fear, separation anxiety, a sense of abandonment, self-blame, sadness and embarrassment are common reactions to divorce for most children.

  • Helping Kids Get Over their Fears
  • Studies indicate that almost all children report having fears. Some of the most common fears are of bugs or ghosts, and studies have shown that kids are afraid of pretty much the same things no matter where they live in the world.

  • Helping Teens Embrace Self-Care
  • Before your teens leave home, teach them to make their own healthcare decisions. One way is to provide information and include them in their own self-care from an early age.

  • Hemifacial Microsomia (HFM) in Children
  • Hemifacial microsomia (HFM) is a congenital disorder. This means that your child is born with it. In this condition, one side of your baby’s face is underdeveloped (hemi means half). HFM usually only affects one side of the face. Sometimes both sides may be affected.

  • Hemolytic Anemia in Children
  • The hemolytic anemias are a group of disorders in which the red blood cells are destroyed faster than the bone marrow can make them. The term for destruction of red blood cells is hemolysis.

  • Hemolytic Disease of the Newborn (HDN)
  • Hemolytic disease of the newborn (HDN) is a blood problem in newborns. It occurs when your baby's red blood cells break down at a fast rate.  It’s also called erythroblastosis fetalis.

  • Hemolytic Uremic Syndrome in Children
  • Hemolytic uremic syndrome (HUS) is a rare condition that can lead to kidney failure. The syndrome harms the small structures and vessels inside the kidneys. HUS causes red blood cells to clog the tiny blood vessels in the kidneys. It may cause damage to the kidney tissues.

  • Hepatitis B (HBV) in Children
  • An infant or young child who contracts hepatitis B is at greater risk of staying infected with the virus and of having life-long liver problems, such as scarring of the liver and liver cancer.

  • Hepatitis in Children
  • Hepatitis is an inflammation of the liver. It can damage and destroy liver cells.

  • Hepatoblastoma in Children
  • Hepatoblastoma is a very rare cancer. It’s a tumor that starts in the liver. The cancer cells are similar to fetal liver cells. It usually affects children less than 3 to 4 years of age.

  • Herpangina in Children
  • Herpangina is a very common illness in children. It causes small blister-like bumps or sores (ulcers) in the mouth.

  • Herpes Simplex Virus (Cold Sores) in Children
  • Cold sores are small blisters around the mouth caused by the herpes simplex virus. Once a child is infected with the virus, the virus becomes inactive (dormant) for long periods of time. It can then become active at any time and cause cold sores.

  • High Blood Pressure in Children and Teens
  • Blood pressure is the force of the blood pushing against the artery walls. High blood pressure (hypertension) means that the pressure inside the arteries is too high. This higher pressure may harm the arteries and cause the heart to work harder.

  • High-Risk Newborn Blood Disorders
  • Detailed information on blood disorders that place a newborn at higher risk and require clinical care by a physician or other healthcare professional

  • Hirschsprung Disease in Children
  • Hirschsprung disease is a rare birth defect. It affects the nerve cells in the large intestine. These nerve cells control the muscles that move food and waste, or stool, through the large intestine. The large intestine is the last part of the digestive tract.

  • HIV Home Care
  • Detailed information on HIV home care for your child

  • HIV/AIDS and Pregnancy
  • A mother with HIV can pass the virus to her baby during pregnancy, labor and delivery, and breastfeeding.

  • Hodgkin Lymphoma in Children
  • Hodgkin lymphoma is a type of cancer in the lymphatic system. The lymphatic system is part of the immune system. It helps to fight diseases and infections. The lymphatic system also helps with balancing fluids in different parts of the body.

  • Holter Monitoring for Children
  • Holter monitoring is a way to continuously check the electrical activity of the heart. Your child will wear a small device called a Holter monitor for at least 24 to 48 hours. The device constantly checks your child's heart during this time.

  • Home Page - Adolescent Medicine
  • Detailed information on adolescent medicine, including growth and development, cognitive development, relationship development, health and injury problems, and safety

  • Home Page - Burns
  • Detailed information on burns, including anatomy, classification, treatment, and prevention

  • Home Page - Craniofacial Anomalies
  • Detailed information on craniofacial anomalies, including Cleft Lip, Cleft Palate, Craniosynostosis, Deformational Plagiocephaly, Hemifacial Microsomia, Vascular Malformations, and Hemangiomas

  • Home Page - Hematology and Blood Disorders in Children
  • Detailed information on blood disorders, including Anemia, Aplastic Anemia, Hemolytic Anemia, Iron Deficiency Anemia, Megaloblastic Anemia, Sickle Cell Anemia, Thalassemia, Alpha Thalassemia, Beta Thalassemia (Cooley's Anemia)

  • Home Page - Medical Genetics
  • Detailed information on medical genetics, including chromosome abnormalities, single gene defects, multifactorial inheritance, teratogens, and non-traditional inheritance

  • Hospice
  • The goal of hospice care is to provide the terminally ill child peace, comfort, and dignity.

  • How the Liver Works
  • Detailed information on how the liver works, including a full-color, labeled illustration of the digestive system

  • How to Bathe Your Baby
  • As a new parent, you may find tub time" a bit scary. Here are some suggestions on how to make it less stressful."

  • How to Comfort a Crying Baby
  • Some babies cry for long stretches at 3 and 12 weeks of age during steps in development when their sleep is less settled.

  • How to Use a Pacifier
  • It seems everyone has an opinion about pacifiers. That's because there are both advantages and disadvantages to using them. Get the full facts so you can make the right choice for your baby.

  • Human Parainfluenza Viruses (HPIVs) in Children
  • Human parainfluenza viruses (HPIVs) are a group of viruses that cause different types of respiratory infections. They are more common in children and babies. But they can occur in people of any age, especially those with a weak immune system.

  • Hydrocele in Children
  • A hydrocele is fluid buildup in the thin pouch that holds the testes in the scrotum. Up to 1 in 10 baby boys have a hydrocele at birth. In most cases, it goes away without treatment in the first year.

  • Hydrocephalus
  • A baby with hydrocephalus has extra fluid around the brain. This fluid is called cerebrospinal fluid (CSF). Too much CSF can increase the pressure in your baby’s head. This causes the bones in your baby’s skull to expand and separate. The baby's head may look larger than normal.

  • Hydrops Fetalis
  • Hydrops fetalis is severe swelling (edema) in an unborn baby or a newborn baby. It is a life-threatening problem.

  • Hyperbilirubinemia in the Newborn
  • Hyperbilirubinemia happens when there is too much bilirubin in your baby’s blood. Bilirubin is made by the breakdown of red blood cells. It’s hard for babies to get rid of bilirubin. It can build up in their blood, tissues, and fluids.

  • Hypocalcemia in the Newborn
  • Hypocalcemia is when a person doesn't have enough calcium in the blood. In babies, it’s called neonatal hypocalcemia. Your baby can get it at different times and from different causes.

  • Hypoglycemia in a Newborn Baby
  • Hypoglycemia is when the level of sugar (glucose) in the blood is too low. Glucose is the main source of fuel for the brain and the body. In a newborn baby, low blood sugar can happen for many reasons. It can cause problems such as shakiness, blue tint to the skin, and breathing and feeding problems.

  • Hypoglycemia in Children
  • Hypoglycemia is when the level of sugar (glucose) in the blood is too low. Glucose is the main source of fuel for the brain and the body. The normal range of blood glucose is about 70 to 140 milligrams per deciliter (mg/dL). The amount blood differs based on the most recent meal. Babies and small children with type 1 diabetes will have different goal ranges of blood glucose levels. 

  • Hypoparathyroidism in Children
  • Hypoparathyroidism is when the parathyroid glands don’t make enough parathyroid hormone. The parathyroid glands are 4 tiny glands on the thyroid. The hormone they make helps manage levels of calcium in the bloodstream. Low levels of the hormone leads to low levels of calcium. This can lead to muscle spasms and cramping, called tetany.

  • Hypopituitarism in Children
  • Hypopituitarism means that the pituitary gland is not working normally. The pituitary gland is a pea-sized gland located at the base of the brain. It’s the master endocrine gland in the body. The pituitary gland normally releases as many as 8 different hormones. These hormones control growth, metabolism, blood pressure, and other body processes. The effects of hypopituitarism may be slow over time. Or they may be sudden.

  • Hypoplastic Left Heart Syndrome (HLHS) in Children
  • Hypoplastic left heart syndrome (HLHS) is a group of defects of the heart and large blood vessels. A child is born with this condition (congenital heart defect). It occurs when part of the heart doesn't develop as it should during the first 8 weeks of pregnancy.

  • Hypospadias in Children
  • Hypospadias is a problem where the opening of the urethra is not at the tip of the penis. With hypospadias, the end of the tube is lower down on the underside of the penis. Or it may be in the scrotum.

  • Shingles (Herpes Zoster) in Children
  • Shingles (herpes zoster) is a painful skin rash. It’s caused by the varicella-zoster virus (VZV). This is the same virus that causes chickenpox.

  • Styes in Children
  • A stye is a sore red bump on the edge of the eyelid. Styes are one of the most common eye problems in children. Here's what you should know.

  • Treatment for Human Bites
  • Human bite wounds are more likely to become infected than dog or cat bites. A healthcare provider should check any human bite that breaks the skin.