They're painful and can put patients out of commission for hours or even days, but migraines aren't likely associated with breast cancer — despite past research that suggested they might be.

Mood-stabilizing medications are used to treat mental or neurological conditions, but a new study suggested that one of these medications might have an unexpected effect — preventing cancer.

Emotional stress and turmoil take a physical toll on our bodies as well. Stress and abuse have been linked to migraines, auto-immune syndromes, heart problems and now skin cancer.