Gonorrhea is a sexually transmitted disease that men and women can get. It doesn't always cause symptoms. Read about testing, prevention, and treatment. READ MORE
Gluten sensitivity or intolerance is different from celiac disease, though some symptoms may be similar. Find information here on gluten-free diets. READ MORE
The spread of a disease does not stop at a country's borders. Read about the common diseases that impact global health such as HIV and malaria. READ MORE
Glaucoma is a group of eye diseases that can damage the optic nerve and cause vision loss and blindness. A comprehensive eye exam can tell if you have glaucoma. READ MORE
Giardiasis is an illness caused by a parasite. Diarrhea is the main symptom of giardia infection. Learn about who is at risk and how to treat it. READ MORE
Giant cell arteritis causes inflammation and narrowing of the arteries in the head. It often occurs with the disease polymyalgia rheumatica. Learn more. READ MORE
Stopping the spread of germs is as easy as thoroughly washing your hands or covering your mouth when you sneeze or cough. Raise your hygiene IQ here. READ MORE
Gastroesophageal reflux disease (GERD) is a chronic condition that can cause discomfort and lead to other health problems. Its most common symptom is heartburn. READ MORE
Genital warts are a sexually transmitted disease caused by the human papillomavirus (HPV). Learn about what they look like, prevention, and treatment. READ MORE
Genital herpes is a sexually transmitted disease caused by a herpes simplex virus (HSV). Learn about symptoms, testing, prevention, and treatments. READ MORE
Genetic tests are tests on blood and other tissue to find genetic disorders. Over 2000 tests are available. Read about why you might consider testing. READ MORE
Genetic disorders are conditions caused by changes, or variants, in one or more genes. They can happen before birth or during your lifetime. Learn the types. READ MORE