Health Information Library

PVCs are extra heartbeats that can make the heart beat out of rhythm. They are very common and may not be a concern. Learn when treatment is needed.

This B vitamin can boost levels of high-density lipoprotein — also called HDL — cholesterol, the "good" cholesterol, and lower triglycerides. Find out more.

This condition can weaken bones, create kidney stones, and affect how well the heart and brain work. Treatment depends on the cause.

If stomach acid washes back into the esophagus, it can cause discomfort and may lead to precancerous changes in the lining of the esophagus.

Robotic systems can help surgeons increase precision, flexibility and control for many procedures. Learn about the advantages and availability of robot-assisted surgery.

This heart rhythm disorder causes slow, paused or irregular heartbeats. Learn the symptoms and how it's treated.

Sudden cardiac death in young people is rare. It's not the same as sudden cardiac arrest. Learn about the risk factors and causes, and find out who may need screening tests.

Brain cells communicate through electrical impulses, activity an EEG detects. An altered pattern of electrical impulses can help diagnose conditions.

Learn more about how UV rays harm your skin and what you can do for symptom sunburn relief and how to protect yourself from sun exposure.

Get the facts and find out why these popular myths about cancer causes are wrong.

This group of disorders results from a buildup of natural chemicals in the body that affect the nervous system and skin. Learn how to avoid symptom triggers.

A cough that lasts for weeks could be caused by smoking, postnasal drip, asthma, acid reflux, respiratory infections, COPD or another underlying problem.

Bladder training and avoiding bladder irritants might help with bladder control.

If you've tried lifestyle changes and you still have bladder control problems, medicine might help ease urinary symptoms.

In this condition, one or more of the flexible joints between the bone plates of a baby's skull close before the brain is fully formed.

This fungal lung infection is caused by inhaling certain mold spores. It may be serious in those with asthma or other ongoing lung diseases.

This condition involves painful swelling of a small fluid-filled sac near the knee joint. It causes pain and can limit movement.

Learn more about this stroke-related type of dementia that causes memory loss and can affect reasoning. Prevention is possible, and good heart health is key.

Learn about what causes these involuntary wrist spasms that often frustrate golfers.

Understand the symptoms and treatment of this common viral infection, which can cause serious health issues for babies and people who have weakened immune systems.