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"ScienceDaily (Oct. 8, 2009) - Women with breast cancer should be given high doses of vitamin D because a majority of them are likely to have low levels of vitamin D, which could contribute to decreased bone mass and greater risk of fractures, according to scientists at the University of Rochester Medical Center." Scientists funded by the NCI analyzed vitamin D levels in each woman, and the average level was 27 nanograms per milliliter; more than two-thirds of the women had vitamin deficiency. Weekly supplementation with high doses of vitamin D -- 50,000 international units or more -- improved the levels, according to Peppone's study. The U.S. Institute of Medicine suggests that blood levels nearing 32 nanograms per milliliter are adequate.

Elevated levels of hormones increase breast cancer risk in postmenopausal women, and as the number of different elevated hormones rises, so does the risk, a new study has found.

The risk of developing deadly esophageal cancer for patients with a condition known as Barrett's esophagus is significant, but not as dire as once reported, a large new Danish study suggests.

Three leading U.S. cancer groups have proposed new guidelines for cervical cancer testing for women, including when to start screening for sexually active young women, extending intervals between screenings and in some cases, supplementing the traditional Pap test with human papilloma virus (HPV) testing.

Organ transplant recipients in the United States have a high risk of developing 32 different types of cancer, according to a new study.

A U.S. government requirement that vitamin C or one of its close relatives be added to hot dogs, to reduce the amount of nitrites found in this popular food, may not have lowered the rate of colon cancer cases after all, a new study suggests.

Roughly 10 percent of Americans continue to use indoor tanning beds, but new research suggests that doing so increases their risk for three common skin cancers, including basal cell carcinoma, squamous cell carcinoma and melanoma.

Once you start, it's important to keep up with screenings. The National Cancer Institute estimates that more than 230,000 new cases of breast cancer will be diagnosed this year.

Cardiology is a branch of medicine which deals with disorders of the heart and parts of the circulatory system.

In Delhi, there are many hospitals, renowned for liver transplantation.