Working the night shift, frequently flying across time zones or keeping an irregular sleep schedule does more than just leave ...

Heart cancer is a rare and serious condition in which abnormal cells grow uncontrollably on or near the heart, forming a tumor. Unlike more common cancers affecting the lungs, breast, or colon, heart ...

Chronic circadian disruption — such as night-shift work, irregular schedules, or frequent jet lag — accelerates the development and spread of aggressive breast cancer.

Lung cancer remains the world’s deadliest cancer, and cigarette smoke is its chief culprit. Chemicals in tobacco, such as polycyclic aromatic hydrocarbons (PAHs), damage DNA and trigger the mutations ...