Retired older adults who used the Internet regularly exhibited better signs of cognitive function, as measured by word recall tests. This protective effect was found to be most significant amongst women.

Mice on a high-fat diet (which leads to obesity) experience a depletion of hair follicle stem cells through a cascade of inflammatory signaling, which blocks hair follicle regeneration and leads to hair loss.

Older adults' saliva contained differing metabolites related to taste and muscle activity, suggesting an age-related loss in taste and decreased swallowing ability.

The pesticide chlorpyrifos, sprayed on fruits and vegetables, slows calorie burning in the brown adipose tissue of mice, causing the body to store these extra calories and promoting obesity.