“They include blood pressure, smoking, obesity and diabetes,”he told the Mayo Clinic. “Sleep is an important factor. Many people have difficulty sleeping, for a variety of reasons, as they age.”
Heavy alcohol use, hearing loss and air pollution also may be risk factors.
“If you attack one or more of these, you may actually be able to reduce your risk of developing cognitive impairment as you age.”
Petersen added it is important to stay active — physically, socially and intellectually.
• Read books
• Go to lectures
• See family and friends
And have your hearing checked, he added.