As of 2015, medical information is available on the websites for the Centers for Disease Control and Prevention, Mayo Clinic and MedlinePlus. Each site offers information regarding diseases, general health and nutrition.
The Centers for Disease Control and Prevention website has information on diseases such as cancer and diabetes, as well as information regarding heart disease and the flu. It also has an information section devoted to health concerns related to smoking, obesity and food safety. Information regarding maintaining health while travelling is also available on the Centers for Disease Control and Prevention website.
The website for Mayo Clinic has medical information regarding diseases and conditions, symptoms, tests and procedures, and drugs and supplements. Information is available for diseases and conditions such as congestive heart failure, lactose intolerance and kidney stones. The Mayo Clinic website has a symptom checker tool by which visitors can enter symptoms and related factors and get a list of possible causes.
MedlinePlus offers medical information regarding various diseases and symptoms, general health topics and drugs. Medical information is available in areas such as pregnancy, heart disease, and depression. Visitors to the MedlinePlus website can search for information that is general, or specific to men, women, children or seniors. Visitors to the MedlinePlus website can also watch videos about various medical issues and topics.