Medical science can seem to zig and zag from one study to the next. One study says one thing while another study appears to contradict it.

If it's suspected that you have a brain tumor, your doctor may recommend a number of tests and procedures, including:

If you ever experience migraines, you know the severe throbbing pain or a pulsing sensation that is often accompanied by nausea, vomiting, and extreme sensitivity to light and sound. Migraine attacks can cause significant pain for hours to days and can be so severe that the pain is disabling.

The American Academy of Pain Medicine reports that in 2011, more than 100,000 American adults suffered from chronic pain. Some chronic pain sufferers turn to prescription opioid medication for relief. Dr Brent Bauer, director of the Mayo Clinic Complementary and Integrative Medicine Program, says alternative therapies such as acupuncture, meditation or yoga can be effective pain relievers for some people.

Many breast cancer patients worry about complications of treatment, one of which is: lymphedema, or swelling of the arms after surgery or radiation. Exercise has been thought to possibly trigger or make lymphedema worse, so some heath care providers recommend that their patients avoid exercise. However, Dr. Sarah McLaughlin, a Mayo Clinic surgeon, says exercise may help prevent lymphedema and lessen its symptoms.

Scottsdale, Arizona - UV radiation from the sun can damage not only the skin of your eyelid but also the cornea, lens and other parts of the eye. UV exposure also contributes to the development of certain types of cataracts, growths on the eye and possibly macular degeneration.