Dear Doctors: I am 82 years old, and I have tested negative for Alzheimer’s disease. But I do have some cognitive dysfunction. Can this be slowed? I exercise 30 minutes a day. In addition to that, I walk at least 1 mile. I also bicycle vigorously for two six-minute periods a day. Do you think this is helping?
Dear Reader: Changes to cognitive function are a natural part of aging. Unlike the severe …