Our breasts are composed of three kinds of tissue: glandular (the milk glands and ducts), connective (the fibrous tissue that surrounds the ducts and glands), and fatty tissue. The younger we are, the ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. This week, a new FDA ...

Eight years ago Nancy Cappello got mad -- really mad. Women in Connecticut, New York, Texas, Virginia and elsewhere can be thankful she channeled her anger. Their lives may depend on it. Cappello, ...

Using an enzyme inhibitor in meniscus cells, a new study was able to soften their nucleus and promote access to previously impassible areas. By softening a cell's nucleus so that it can squeeze its ...

Why are pancreatic tumors so resistant to treatment? One reason is that the 'wound'-like tissue that surrounds the tumors, called stroma, is so dense, likely preventing cancer-killing drugs from ...