Lung cancer is the leading cause of cancer deaths in women in the United States. In 2009, the American Cancer Society estimates that more than 70,000 women will die from lung cancer.

Vitamin D is one of several nutrients that the body needs to stay healthy. It may also play a role in reducing the risk of cancer, and several research studies are exploring this link. Cancer.Net talked with Richard Goldberg, MD, to learn more about current research on vitamin D and what people should know.

Some veterans of the U.S. armed forces were exposed to substances that were later found to cause cancer. The U.S. Department of Veterans Affairs (VA) has identified these substances, such as ionizing radiation and Agent Orange, and has created programs to help veterans receive health care related to the exposure of these substances. This article discusses Agent Orange (used during the Vietnam War), veterans of recent conflicts, and questions to ask the doctor.

Some veterans of the U.S. armed forces may have been exposed to substances, such as ionizing radiation and Agent Orange, that are known to cause cancer. Many veterans who were exposed to these agents several decades ago are now at an age where cancer may develop. In this two-part series, read about the link between some agents and cancer, programs to help veterans, and get a list of questions to ask the doctor.

A prostate-specific antigen (PSA) test helps detect prostate cancer in men, but the test has some disadvantages. Recent research studies suggest that screening for prostate cancer with PSA tests may not lower actual deaths from prostate cancer. To help men weigh the benefits and risks of PSA screening, Cancer.Net talked with Derek Raghavan, MD, PhD.

Human papillomavirus (HPV) is a virus that is most commonly transmitted during sex and direct skin-to-skin contact. In some cases, certain types of HPV can cause warts (noncancerous, abnormal growths on the skin) in various parts of the body. In other cases, specific HPV types can cause precancerous lesions (areas of abnormal tissue) or cancer.

No amount of secondhand smoke is safe, according to the U.S. Surgeon General. Get these tips to avoid this substance that causes cancer.

Quitting smoking is the single most important thing a person can do to lower his or her risk of cancer. Yet many smokers (and nonsmokers) hold myths about the value of quitting or staying quit, even after a diagnosis of cancer. To discuss the most common myths and questions asked about smoking and cancer, Cancer.Net welcomes Michael Cummings, PhD, MPH, and Carolyn Dresler, MD, MPA.

The beginning of a new year is the perfect time to take control of your health and develop a strategy that will help you reach your goals for the coming year. Here are seven tips to help you have a healthier and happier new year.