Having too little (a deficiency) of a specific vitamin or mineral can lead to health problems. Researchers have reported ...

How common is breast cancer? Breast cancer is the most common cancer in women in the US besides skin cancers. It accounts for about 1 in 3 new cancers in women each year. The American Cancer Society's ...

Learn about key statistics for breast cancer in men, including how common it is, who is most affected, and the outlook for those with a diagnosis. Fewer than 1% of breast cancers in the US occur in ...

To understand bile duct cancer, it helps to know about the bile ducts and what they normally do. Bile is a fluid made in your liver and stored in your gallbladder. Your bile ducts are a series of thin ...

Our 24/7 cancer helpline provides information and answers for people dealing with cancer. We can connect you with trained cancer information specialists who will answer questions about a cancer ...

When radiation is mentioned, people often think of specific kinds of radiation, such as x-rays and nuclear reactors. But many other types of radiation can cause concern about people’s health. Most ...

Having cancer or taking care of someone with cancer can change your daily life. You may be trying to balance cancer care, family needs, and your work schedule or job duties. Knowing your rights can ...

Over the last 30 years, the risk of dying from cancer has steadily declined, sparing some 4 million lives in the United States. This downward trend can partially be explained by big wins in smoking ...

Tobacco use remains the main cause of lung cancer, and the disease can largely be prevented through effective tobacco control policies and regulations. Aggressive tobacco marketing, coupled with ...

Most people around the world have had the Epstein-Barr virus (EBV) at some point in their lives. It usually causes mild or no symptoms, so people might not even know they have it. But it can sometimes ...

When the Patient Protection and Affordable Care Act (ACA), or Obamacare, was signed into law on March 23, 2010, it was a historic moment — in fact, it was the biggest change to US health care since ...

Editor’s Note: Guidelines on diet and physical activity are updated as scientific evidence continues to evolve. Please read the most recent recommendations here. Engaging in regular exercise is good ...