Hypochondria is a condition where one excessively worries about his or her health. In the Huff Post, Lindsay Holmes writes about a study that suggests people with hypochondria often suffer from more health conditions such as cardiac events.
Here is a link to the article:
http:/www.huffingtonpost.com/entry/hypochondria-health-issues_us_58331a34e4b099512f83d4f6