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Immune System Disorders Your immune system is your body’s defense against infections and other harmful invaders. Without it, you would constantly get sick from germs, such as bacteria or viruses. Your immune system is made up of special cells, tissues, and organs that work

Insomnia What is insomnia? You've likely had nights when you couldn't fall asleep, no matter how desperately you tried. When you can't sleep, the ticking of the clock only reminds you of your exhaustion and the endless hours until morning. And perhaps you finally drop off around

Coping with Swallowing Problems As you go through daily life, swallowing is as natural as breathing. You rarely give it a second thought as you swallow hundreds of times each day. Swallowing problems can happen for reasons ranging from dehydration to illness. Most of the time it

Alagille Syndrome What is Alagille syndrome? Alagille syndrome is an inherited condition in which bile builds up in the liver because there are too few bile ducts to drain the bile. This results in liver damage. Your liver makes bile to help remove waste from your body. Bile also

Folic Acid for a Healthy Baby What is folic acid? Folic acid, or folate, is a B vitamin. The word folate comes from folium, the Latin word for leaf. Folate is found naturally in food, particularly in dark, green leafy vegetables. Folic acid is the synthetic form supplied in

Long QT Syndrome What is long QT syndrome? Long QT syndrome (LQTS) is a disease that can cause a dangerous rapid heart rate and irregular rhythm involving the bottom pumping chambers of the heart (ventricles). The heart has both muscular and electrical components. Electricity

The Cardiologist A cardiologist is a doctor who has had extra training to treat problems of the heart and blood vessels. A cardiologist has at least 10 years of medical training. It includes: 4 years of medical school. 3 years of training in internal medicine. 3 or more years in

Voice Disorders What are voice disorders? You may have a voice disorder if you have a problem with pitch, volume, tone, and other qualities of your voice. These problems occur when your vocal cords don't move or vibrate normally. Your voice is the sound that air makes when it is

Exercise-Related Heat Exhaustion Heat-related illness can affect you as heat cramps, heat exhaustion, or heatstroke. This article is about heat exhaustion caused by hard exercise or strenuous work in a hot environment. What is exercise-related heat exhaustion? Exercise-related

Headaches in Early Pregnancy Nearly everyone has headaches sometimes. But having a headache in pregnancy is not fun. And managing headaches is even more tricky in the first trimester. This is a time when you should stay away from many medicines. Whether your headache is from