Hyderabad, Sept. 21 -- On World Alzheimer's Day, medical practitioners have raised concerns over growing cases of obesity, and its impact on rising instances of dementia.

It is a widely known fact that obesity is the source of all diseases and mid-life obesity is an established risk factor for Alzheimer's disease.

"Being overweight or obese negatively affects brain health, especially in the regions most vulnerable to the effects of Alzheimer's disease. This could potentially exacerbate symptoms of Alzheimer's disease should it develop," said Dr. Haritha Koganti, Consultant Neurologist, KIMS Hospitals.

Studies showed that, in overweight or obese people who had no or mild cognitive impairment, the more excess weight they carried, the gre...