Habit formation brain circuits work independently, Kyoto University researchers report: one determines whether a behavior ...

Firearms training often treats “skills” and “habits” as separate, but neuroscience shows that once a skill becomes automatic, it functions as a habit and becomes the default behavior under stress.

In principle, exercise is good for the body. However, there are exceptions. You can overdo it with exercise. Those with improper training habits may permanently damage their cells and even age faster.