India, Feb. 27 -- Could your belly fat be responsible for boosting your brain health? As you age, cognitive decline is a problem millions of people face worldwide. Scientists generally focus on the brain to know what causes these changes. However, new research finds its relationship with belly fat.

Researchers from Toho University in Japan, published in the journal GeroScience, found that visceral fat - the deep fat surrounding your internal organs - plays some role in your brain health. Here's what the study found:

The researchers studied male mice aged 5, 10, and 18 months old (roughly equivalent to young adult, middle-aged, and elderly humans). They found a relation between BDNF (brain-derived neurotrophic factor) - which acts as a b...