If lack of exercise can lead to a smaller hippocampus in one’s brain, does a shrinking hippocampus lead to reduced ability/desire to exercise?

Is Slowed Walking a Sign Dementia is Near?

If you're a senior and walking to the mailbox takes longer than it used to, new research suggests you might want to ask your doctor to check your thinking skills.

The study included nearly 17,000 adults over 65 and found those who walk about 5% slower or more each year and also had memory declines were the most likely to develop dementia.  continued at medicalxpress.com