After more than 50 years of research, scientists still don't know exactly what causes autism. But the data make clear that ...

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 ...

An E.P.A. site listing the causes of climate change no longer includes the main one: human activity. The Environmental ...

The Environmental Protection Agency (EPA) has removed several mentions of human activity on a webpage related to the causes ...

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 ...

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 ...

You can develop back pain for many reasons, but some causes are more common than others. Wear and tear on the bones that form your spine (called vertebrae), muscles, and other tissues in your back can ...

Paid non-client promotion: Affiliate links for the products on this page are from partners that compensate us (see our advertiser disclosure with our list of partners for more details). However, our ...

Many things lead to the complex health condition called clinical obesity. Although the exact cause remains unknown, many factors can contribute to it. It's not just excess adiposity (too much body fat ...

Swelling, which can be internal or external, is the body’s response to inflammation, fluid buildup, injury, or illness. Visible signs of swelling include enlargement of the affected area and fluid ...

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 ...

In 2016, children and adolescents (1 to 19 years of age) represented a quarter of the total estimated U.S. population 1; reflecting relatively good health, they accounted for less than 2% of all U.S.