Influenza, commonly known as the flu, is a contagious respiratory disease caused by the influenza virus. The virus attacks cells in the upper respiratory tract
Swine flu, or H1N1, is highly contagious and can spread quickly from person to person. A simple sneeze may cause thousands of germs to spread through the air.
A cold is a common viral infection of the upper respiratory tract–namely, your nose and throat. A runny or stuffy nose, sneezing, coughing, and sore throat are common…
Learn about what causes allergies, the different types of allergies, and how they're treated.
Pharyngitis is inflammation of the pharynx, which is in the back of the throat. It's often referred to simply as ''sore throat.'' Get the facts on how to treat and…
Acute bronchitis causes coughs that produce mucus. You don't need antibiotics, but bed rest and home care can help.
Acetone poisoning occurs when there's more acetone in your body than the liver can break down. Acetone is a clear liquid that smells like nail polish remover.
Laryngitis is when your voice box or vocal cords become inflamed from overuse, irritation, or infection. It comes in both acute and chronic forms.
Bulimia nervosa is a potentially life-threatening eating disorder. Read about the symptoms and treatment options.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.