Black pepper, the most popular spice in the world, is thought by some health professionals to be linked to stomach cancer and ulcers when taken in large quantities over long periods of time, but this contention is not supported by any scientific evidence.

Pancreatic cancer is usually particularly aggressive. In the U.S., there will be approximately 45,000 pancreatic cancer diagnoses in 2013 and nearly 40,000 deaths.

Gamma radiation is a form of nuclear radiation produced by certain radioactive elements as they decay. In particular, gamma radiation is ionizing radiation, meaning that it is sufficiently energetic to break bonds in genetic material, structural components of cells and other biological molecules.

Colon cancer is a commonly diagnosed cancer among both men and women. During therapy, many cancer patients turn to food for comfort and recovery. A health care provider may recommend certain foods that promote health and prevent the recurrence of cancer.

Yellow skin -- also referred to as jaundice -- is the result of too much bilirubin. According to the National Institutes of Health, bilirubin is a yellow chemical found in hemoglobin -- the substance responsible for carrying oxygen to your red blood cells.

As people age, their skin usually takes a direct hit, if not with more wrinkles then with more bumps and discolorations. Cherry angiomas, also called cherry hemangiomas, are, like their name suggests, cherry-colored flat or slightly raised dots that generally grow no larger than 1/4 inch in diameter.

Chemotherapy is a cancer treatment given in hospitals nationwide. Though it’s very effective for destroying cancer cells, the side effects are numerous, since it also affects healthy cells.

Radiation therapy is one of the many therapies available as of 2011 to battle cancer. Radiation therapy uses high-energy doses of radiation to destroy cancer cells. It is often used in conjunction with other treatments, including surgery and chemotherapy, to destroy cancer cells.

Colon spasms are spontaneous contractions of the muscles in the colon. Irritable bowel syndrome, also called IBS, is a common cause of colon spasms. In fact, the term spastic colon is sometimes used as another name for irritable bowel syndrome.

Each breast contains an extensive system of glandular tissue, surrounded by fatty tissue, blood vessels, lymph nodes, connective tissue and nerves. Diseases affecting the breast can cause inflammation, breast irritation and tissue damage.

A swollen breast is a common condition that occurs in babies, both male and female. One or both of a baby's breasts may become swollen, firm and lumpy within a week after birth. Although this condition may seem peculiar, the swollen breasts usually shrink within a few weeks or months of life.

Meningitis, a medical condition caused by the inflammation of the membranes around the brain and spinal cord, can be caused by a viral, bacterial or fungal infection.