Past studies have shown that women smokers have a higher risk of cervical cancer. Now, new research shows that second-hand smoke may damage cells in a woman's cervix, increasing her risk of cervical cancer.

Shifts and disruption in internal alarm clocks (known as the circadian clock) caused by shift work and erratic sleep patterns can contribute to cancer, diabetes and depression, among other health problems.

A new international study finds that cancer patients are not as depressed as one would assume.

Patients with false-positive breast cancer mammograms report serious anxiety and a reduced quality of life for at least one year, according to new research from the Netherlands.

Keeping the lights on before going to sleep may have a negative influence on your health, according to a study to be published in the Journal of Clinical Endocrinology & Metabolism .