Body Fat May Hamper Your Thinking as You Age

New study reveals link between BMI and certain type of intelligence

Researchers have found a link between fluid intelligence, which is used in novel reasoning, and reduced lean muscle mass compared to abdominal fat and subcutaneous fat. VGstockstudio/Shutterstock

Having less muscle and more body fat may affect how flexible our thinking becomes as we get older, according to a new study.

Researchers also found that changes in parts of the immune system could be responsible for the effect.