Although more common in women, osteoporosis is under-diagnosed and under-treated in older men. Earlier identification of high-risk males could reduce the risk of osteoporotic fractures and falls.

Supplementing rats with the prebiotic Xylo-oligosaccharides (XOS) improved gut health and reduced fatty liver. Prebiotics are food for probiotics, the healthy bacteria in the gut.

Rhizolutin, a compound produced by bacteria in the soil of the roots of ginseng plant, has been shown to fight the amyloid-beta and tau protein aggregates that are characteristic of Alzheimer's disease.

People with a positive outlook, or "positive affect", meaning they have enthusiastic and cheerful qualities, are less likely to experience memory decline with age.