In-depth

Abdominal aortic aneurysm

An abdominal aortic aneurysm is a dangerous condition in which a part of your body's main artery (aorta) is enlarged and in danger of rupturing.

Acromegaly

Acromegaly is an uncommon hormonal disorder caused by the overproduction of growth hormone. It typically causes signs such as enlarged hands and feet.

Addison's disease

Addison's disease occurs when your adrenal glands produce insufficient amounts of certain important hormones. Treatment may include taking corticosteroids.

Angina

Angina is a common type of chest pain caused by coronary artery disease. Unstable angina can be a warning sign of a heart attack.

Aortic dissection

Aortic dissection occurs when blood leaks through a tear in the inner layer of the aorta. Left untreated, the condition is usually fatal.

Avascular necrosis

Loss of blood flow to a bone leads to avascular necrosis — the death of bone tissue. This most commonly affects the thighbone, causing groin pain.

Bladder cancer

Bladder cancer is often diagnosed early — when it's most treatable. But even with successful treatment, bladder cancer survivors need follow-up tests for years to come.

Bone spurs

Bone spurs can sometimes interfere with joint function or press on nerves.

Brucellosis

Brucellosis is an infectious disease that spreads from animals to people, mainly via unpasteurized dairy products. Travelers should take special care to avoid infection.

Depression

Take control of your mood and health. Explore the many depression treatment options and learn coping skills.

Eyestrain

Reduce eyestrain by following these simple tips.

Gallstones

Gallstones often don't cause symptoms. But if you have a gallbladder attack, you're not likely to forget it.

Guillain-Barre syndrome

Incompetent cervix

Incompetent cervix — Overview covers symptoms, risks and treatment of weak cervical tissue during pregnancy.

Influenza (flu)

Kidney cancer

When kidney cancer is diagnosed and treated early, the chances for recovery are better.

Kidney infection

Kidney stones

Kidney stones often recur. Find out what causes kidney stones and how to prevent them.

Menstrual cramps

A monthly period is bad enough. Add in painful menstrual cramps, and you may be cursing this thing called womanhood. How do you get relief?

Neuroblastoma

Neuroblastoma most commonly affects children age 5 and younger. It's the most common form of cancer in babies.

Osteoporosis

Osteoporosis — developing fragile bones with age — threatens the independence of many older people, especially women. Learn how to avoid bone loss and fractures.

Placental abruption

Placental abruption is a dangerous pregnancy complication. Control your risk factors — and know when to seek emergency care.

Polio

One of the most feared diseases of the 20th century, polio has been eradicated from the developed world but remains a threat in less developed nations.

Polymyalgia rheumatica

Polymyalgia rheumatica is an inflammatory disorder that causes pain and stiffness in the neck, shoulders, upper arms, hips and thighs.

Porphyria

Porphyria is a group of inherited disorders that result from buildup of natural chemicals call porphyrins, which can cause nervous system and skin problems.

Preterm labor

Preterm labor — Comprehensive overview covers the symptoms, treatment and prevention of preterm labor.

Prostatitis

Prostatitis, inflammation of the prostate gland, can cause significant male pelvic pain and other symptoms.

Pseudotumor cerebri

Pseudotumor cerebri — Comprehensive overview covers symptoms, causes, treatment of increased pressure inside the skull.

Psoriatic arthritis

Some people with psoriasis may develop joint pain called psoriatic arthritis. Get the basics here.

Scoliosis

Scoliosis is an abnormal curvature of the spine. Most cases are mild, but severe cases may require treatment with braces or surgery.

Small vessel disease

If you have symptoms of heart disease, but your doctor doesn't see any blocked major arteries, small vessel disease may be the cause.

Smallpox

Spinal cord injury

Teen depression

All teens feel down from time to time. But if negative feelings persist or start to interfere with daily life, it might be depression.

Thoracic aortic aneurysm

Uterine fibroids

Uterine fibroids are noncancerous tumors of the uterus. Medical therapy and surgical procedures can shrink or remove uterine fibroids.

Sep. 11, 2012