As the US population ages, dementia and cancer appear together more often, leaving patients, caregivers and doctors with difficult decisions.

Being overweight or obese may cause greater DNA damage to breast cells in women who carry BRCA gene mutations, researchers discover.

A new type of blood test finds a common cancer signal from more than 50 types of cancer, researchers say.

Researchers say smoking history and older age are the most important factors in cancer risk.Tags

Cancer patients using medical marijuana report less pain, an improved quality of life and few side effects, researchers say.

Women who struggle with obesity over their lifetime face increased odds of developing endometrial cancer, researchers say.