Discover what cluster headaches are and what causes them in this informative article from Medical News Today. Learn about the signs and symptoms, the duration, the risk factors, treatment options, and how you can prevent them.

Article provides an overview of personality disorders termed "cluster C disorders," which include avoidant personality disorder, dependent personality disorder, and obsessive-compulsive personality disorder.

The World Health Organization probes into the feared associations between electromagnetic fields (EMFs) and cancer. Check out "What is EMF?" for detailed summaries on what electromagnetic fields are and the possible health effects, or...

This site explores what electromagnetic fields are, how they are caused, and their link (or lack thereof) to cancer.

This site explores the history of power lines and cancer associations, as well as dispelling the myth. The science is explored by citing known facts, studies and experts in the field.

This site provides links to a variety of government-sponsored overviews and articles on electromagnetic fields and their associated health risks.