It begins with a misspelling. That mistake then becomes a magnet for other changes. These altered genes that are more susceptible to cancer are passed on. And now you know the basics of hereditary cancer biology.

Not all prostate cancers even need to be treated, but many men receive more treatment than necessary. New research may change that trend.

Smoking is one of the most dangerous and self-destructive habits a woman - or anyone - can have. Along with lung cancer and heart disease, researchers now know that cigarettes dramaticallly increase a woman's risk of bladder cancer.

An aggressive form of breast cancer that isn't fed by estrogen is more common in African American women. New research suggests this type of cancer is seen more frequently among black women who don't breastfeed their babies.

There's a new light glimmering at the end of the dark tunnel that is brain cancer. A novel gene therapy, combined with radiation, holds promise in treating one of the worst of these cancers.

Weight management can be difficult at any age. It is important to achieve and maintain an ideal weight even as we age because life expectancy can decrease with excess weight.

Treatment for all kinds of cancers can have many side effects, including nausea, anxiety, liver problems and lung disease. Now it is also reported that more than half of cancer patients suffer insomnia.

After a host of scientific studies linking low levels of vitamin D and various diseases, here comes a study that suggests just the opposite. But maybe not. Don't you just love conflicting health news?

Having low levels of vitamin D has been associated with a host of health problems. Researchers now believe this deficiency could have a life-long impact on girls.

For years, controversy has swelled around the safety of using a common technique to determine if head and neck melanoma has spread. A recently published study finds that sentinel node biopsies are both safe and useful.