8 Dennis Quaid
Dennis Quaid is supposed to be the same brother of actor Randy Quaid, but Dennis himself has been found to be obsessive about his health and other issues. As per his admissions, he overcame an addiction to cocaine, has body dysmorphic disorder and battled anorexia. He is very quick to share the stories of his wins in health area, but cannot say the same about his movies. He is very quick to go on the internet to find out more and more about an ailment and some well wishers think that he might pass this mindset onto his children as well.
9 Abigail Breslin
Little Miss sunshine star and former child actress Abigail Breslin has grown up to become one of the most hottest actresses in Hollywood.But with that, her hypochondria has also grown. She was once convinced that she had bird flu and once believed that she was bitten by a poisonous spider. She also has a phobia of broken glass and fears that she will die young. The 20 year old star avoids seeing medical shows since they trigger her issues.