The simple sugar N-acetylglucosamine repaired myelin in mice and correlated with myelination in multiple sclerosis (MS) patients. Demyelination in MS leads to chronic disability and neurodegeneration.

Older adults who did high-intensity interval training (HIIT) had improved physical and mental quality of life, the greatest positive effect on fitness, and a trend towards reducing all-cause mortality risk.

Researchers discovered that both neuronal networks - the excitatory and inhibitory networks - can be manipulated to control long-term memory and potentially treat Alzheimer's disease.

A protein in the brain, p11, regulates the feel-good hormone serotonin and the stress hormone cortisol in mice. Low levels of p11 are linked to depression, anxiety, and stronger reactions to stress.