A study found that mice who exercised had reduced macular degeneration. Another found that exposure to an LED light with a deep red wavelength improved vision and cone and rod sensitivity.

Women may be more likely to develop Alzheimer's disease than men due to the loss of estrogen in menopause. In this study, the pattern of gray matter loss overlaps with the brain estrogen network.

The food additive titanium dioxide, found in ice cream, gum, coffee creamer, and candy, alters the microbiome, causes gut inflammation, and changes protein expression in the livers of mice.

Researchers succeed in delivering mitochondria to the liver of anima cells. Damaged mitochondria cause of liver failure; this could repair damaged livers and avoid liver transplants.