cancer treatment

Can Healthy Eating Reverse Some Cancers?

Jul 31, 2015

Part 4 of the TED Radio Hour episode Fighting Cancer

About Dean Ornish's TED Talk

Dr. Dean Ornish studied how lifestyle changes could help people with chronic heart disease; he wanted to figure out if there was a way to do the same with patients with some types of cancer.

Part 2 of the TED Radio Hour episode Fighting Cancer

About Jay Bradner's TED Talk

Giving away something that could make you a billion dollars sounds foolish. But Dr. Jay Bradner believes it's essential to share even the most prized scientific discoveries if we hope to find a cure for cancer.

Chemotherapy given to patients at the end of life often does more harm than good, according to a study that calls into question this common practice.

Almost half the states now require doctors to tell women if they have dense breasts because they're at higher risk of breast cancer, and those cancers are harder to find. But not all women with dense breasts have the same risks, a study says.

Those differences need to be taken into account when figuring out each woman's risk of breast cancer, the study says, and also weighed against other factors, including family history, age and ethnicity.

New Blood Tests, Liquid Biopsies, May Transform Cancer Care

May 11, 2015
Dake / CC

A new type of blood test is starting to transform cancer treatment, sparing some patients the surgical and needle biopsies long needed to guide their care.

The tests, called liquid biopsies, capture cancer cells or DNA that tumors shed into the blood, instead of taking tissue from the tumor itself. A lot is still unknown about the value of these tests, but many doctors think they are a big advance that could make personalized medicine possible for far more people.

They give the first noninvasive way to repeatedly sample a cancer so doctors can profile its genes, target drugs to mutations, tell quickly whether treatment is working, and adjust it as the cancer evolves.

Two years ago, these tests were rarely used except in research. Now, several are sold, more than a dozen are in development, and some doctors are using them in routine care.

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