These painful headaches cause severe pain on one side of the head and tend to occur in bouts called cluster periods.
Disease
Hyperparathyroidism
Learn about symptoms, tests and treatment for this condition caused by overactivity of the parathyroid glands.
Disease
Hodgkin lymphoma (Hodgkin disease)
Learn how this cancer differs from other lymphomas. Find out about risk factors and treatments, such as chemotherapy, radiation and bone marrow transplant.
Disease
Hot flashes
Learn about this most common symptom of stopping periods and ways to get relief, including hormone therapy and natural treatments.
Disease
Colon polyps
These growths typically don't cause symptoms, so it's important to have regular screenings. Have you had your colonoscopy?
Disease
Testicular cancer
Learn about cancer that starts in the testicles. Treatments include surgery, chemotherapy and radiation therapy.
Disease
Prostate cancer
Learn about detection, diagnostic approaches, treatment options and advances for prostate cancer, including robotic prostatectomy and current research.
Disease
Achilles tendon rupture
An Achilles tendon rupture is an injury that is usually painful and likely to affect your ability to walk. Surgical repair is sometimes necessary.
Disease
Pineoblastoma
Learn about this rare cancer that begins in the brain's pineal gland. Treatments include surgery, radiation therapy and chemotherapy.
Disease
Atelectasis
Atelectasis means a collapse of the whole lung or an area of the lung. It's one of the most common breathing complications after surgery.
Disease
Bone metastasis
Learn about the symptoms and causes of cancer that spreads to the bones. Find out about treatments, including medicines, radiation and surgery.
Disease
Broken nose
A broken nose can cause pain, swelling and bruising around your nose and eyes. Surgery usually isn't necessary.