Have you ever googled your symptoms when you were sick only to make yourself worse from what you read? According to this iVillage article, you shouldn't google symptoms when you are sick. "
Going online to search for health information may not be a good idea for people who fear uncertainty, according to a new study.
For these people, the false belief that they suffer from a serious disease (hypochondria) can worsen as they scour the Internet in an attempt to pinpoint symptoms, a Baylor University researcher found." read more 
Have you ever done it?