6. Reduce belly fat
Excess belly fat in your 40s may boost the risk of dementia in your 70s, according to a recent study in Neurology. People with the most abdominal fat—even those of normal weight—were nearly three times more likely to develop dementia than those with the least amount. A large belly in mid-life also increases the risk of diabetes and heart disease.
To trim your middle, reduce calories and increase your intake of whole grains. Nutrition researchers at Pennsylvania State University found that obese adults who did both shed more belly fat than dieters who ate mainly refined grains.