Pneumonia is an infection of one or both of the lungs caused by bacteria, viruses, fungi, or chemical irritants. It is a serious infection or inflammation in which the air sacs fill with pus and other liquid.

Pharyngitis and tonsillitis are infections that cause inflammation. If the tonsils are mainly affected, it is called tonsillitis. If the throat is mainly affected, it is called pharyngitis. These infections are spread by close contact with others. Here's what you need to know.

Detailed information on the most common gynecological inflammations and infections, including vulvitis, vaginitis, cervicitis, and pelvic inflammatory disease

Detailed information on healthcare for women, including information on breast health, colorectal cancer, diabetes, gynecological concerns, heart attack, hysterectomy, infertility, menopause, mental health, osteoporosis, skin cancer, and urinary conditions

Narcolepsy is a sleep disorder. If you have narcolepsy, you are likely to become drowsy or to fall asleep at inappropriate times and places.

Interstitial lung disease is the name for a group of more than 200 chronic lung disorders. These diseases inflame or scar the lungs. The inflammation and scarring make it hard to get enough oxygen. The scarring is called pulmonary fibrosis.

Here you will find detailed information on chin reshaping, cheek reshaping, jaw reshaping, and facial implants, including what to expect from these procedures.

Detailed information on ear pinning surgery, including who might be a candidate for the procedure and possible complications of the procedure

A brain tumor is an abnormal growth of tissue in the brain. Here are some questions you can ask your doctor about treatment.

Bell's palsy is weakness or paralysis of the muscles of the face. Learn more about this condition, including cause, symptoms, diagnosis, and treatment.