Non-alcoholic fatty liver disease is linked to neurological problems. The adipokine lipocalin-2 causes neuroinflammation and is produced exclusively by the liver, more so in those with fatty liver.

Precision DNA editing in the nucleus has previously been unable to reach the mitochondrial genome; a new mitochondrial editor has been discovered, which is engineered from a bacterial toxin.

Women's egg quality is dependent on NAD+, a coenzyme that is needed by every cell but declines with age. NAD+ ensures that eggs retain their cellular building blocks in the final maturation stage.

Brown fat is a healthy type of fat that generates heat and has A2B cell receptors. When older mice have their A2B receptors activated, fat burning and muscle development increases.