Heart palpitations are heartbeats that suddenly become more noticeable. Palpitations can feel like the heart skips a beat, or it is pounding, fluttering, or beating irregularly. A person may ...

Chest pain can be a sign of a heart attack or other cardiac condition, but it can also be a symptom of problems related to: respiration digestion bones and muscles other aspects of physical and mental ...

Gout is a type of arthritis that causes pain in your joints, often in the big toe. This condition is triggered by high levels of uric acid in your blood. Uric acid is a natural compound in your body.

High blood pressure that has no known cause is called primary, or essential, hypertension. This is the most common type of high blood pressure. It develops slowly, and often people with primary ...

A blackout refers to a loss of consciousness or complete or partial memory loss. Possible causes of blackouts include epilepsy and drinking a large volume of alcohol. Some causes of blackouts ...

There are many theories about the causes of addiction, the use and abuse of legal and illegal psychoactive substances. Biology, psychology, and social and cultural elements all play a role in the ...

Christy Bieber has a JD from UCLA School of Law and began her career as a college instructor and textbook author. She has been writing full time for over a decade with a focus on making financial and ...

No one knows exactly what causes ulcerative colitis, but experts think it’s related to your genes, your immune system, and the environment. It may also be linked to changes in your gut microbiome, the ...

What Are the Main Causes of ADHD? No one knows exactly what causes ADHD. But experts think it's rooted in a mix of factors. Often thought of as childhood disorder, ADHD can last into adulthood or ...