India, March 8 -- Sometimes even older adults have the habit of popping in some fatty foods, whether fried foods like French fries or packaged snacks like chips. It's casual and a little bit of it may not harm, right?

It's already known how harmful fatty foods can be, but the damage for older adults can start in as little as three days. A study published in Immunity & Ageing revealed that fatty foods can start damaging the brain within three days. This goes against the long-believed understanding that brain damage takes months and years to fully show.

The research experimented on rats to understand the relationship between fatty food and brain damage. The rats were divided into two groups, one old and the other young. They were given a ...