Keeping a healthy weight has many benefits. Recent research suggests that it may also help keep memory sharp as you age. A recent study looked at people’s weight and other health problems, like high blood pressure or high cholesterol.

Maintaining a weight that is overly thin can contribute to health problems in much the same way that being obese can. More recently a low body mass index has also been linked to early stages of Alzheimer's disease.

Moderate lifestyle changes may seem small, but they can provide large returns in better health. Exercising and smoking cessation are among modifiable changes capable of reducing risk of Alzheimer's disease.

As life spans continue to increase, so the will risk of dementia in individuals, but new research from Sweden indicates people can minimize this risk.