Drinking two to four cups of coffee per day is linked to a reduction in total body and abdominal fat in women. The results were consistent between caffeinated and decaffeinated coffee.

A meta-analysis found that physical activity protects against the consequences of aging. Although exercise at any age was beneficial, the protective effects on aging reduced by 3% per year.

High blood levels of chemicals found in non-stick cookware (including Teflon), pesticides, and fire retardants are linked to an increased risk of developing celiac disease.

Long term use of proton pump inhibitors (drugs used for heartburn) is linked to an increased risk of developing dementia, due to inhibition of the neurotransmitter acetylcholine.