Washington DC, Nov. 25 -- Scientists discovered that more muscle and less hidden abdominal fat are linked to a younger biological brain age.

Deep visceral fat appeared to accelerate brain ageing, while muscle mass offered a protective effect. Researchers report that people who have more muscle and a lower visceral fat-to-muscle ratio tend to show signs of a younger biological brain age.

This conclusion comes from a study that will be presented next week at the annual meeting of the Radiological Society of North America (RSNA). Visceral fat refers to the fat stored deep in the abdomen around key internal organs.

"Healthier bodies with more muscle mass and less hidden belly fat are more likely to have healthier, youthful brains. Better b...