You could have a lump on your thyroid and not even know it. More than half of adult Americans have lumps — called nodules — on the thyroid, a gland at the base of the neck. There’s controversy about which of these nodules need to be tested for cancer.

There’s a lot of talk these days about screening for, diagnosing and treating cancer. One argument is that Americans are being over-screened, over-diagnosed and over-treated for the disease. A new study adds evidence to this argument.

It’s now thought that a large proportion of cancers are associated with carrying too much weight. Nearly half of all cases of one type of female cancer are linked to obesity. Researchers have drilled down on weight and uterine cancer risks.

How many times have you heard, “Eat more fruits and vegetables”? Maybe your mother was the first one to give you this advice. But do fruits and vegetables make a difference in your cancer risk? Depends on who you ask.

If you’ve ever had heartburn, you know it can be very uncomfortable. Ongoing heartburn, a symptom of acid reflux, can progress to a condition called Barrett esophagus, which can eventually lead to cancer. A recent literature review analyzed the best way to manage Barrett esophagus to avoid cancer.

Is bronzed skin worth putting yourself in danger of skin cancer? According to recent research, a shocking number of women are taking that risk.

Along with the effectiveness of a cancer medication, physicians and patients want to know about its side effects. What’s the quality of a patient’s life while taking the medicine? Two kidney cancer medications are effective at treating cancer, but have markedly different side effect profiles.

Cancers that show up in the mouth, tongue, throat and voice box have been increasing. A viral infection is behind some of this trend. Now, scientists have a better understanding of what may contribute to these infections.

Avastin (bevacizumab) is approved to treat a number of different cancers, including the most common form of brain cancer. A newly released study looked at how long people with the disease lived before and after this medication's approval.

About one in eight American women will develop breast cancer at some point in her lifetime. That’s what the American Cancer Society estimates. A woman’s actual personal risk is based on many individual factors, though.