These days, it’s easy for people to get confused about exercise — how many minutes a day should they spend working out, for how long and at what exertion level. Conflicting facts and opinions abound, but one Mayo Clinic physician says the bottom line is this: walking is good, whether the outcome measurement is blood pressure, diabetes, cardiovascular disease, joint problems or mental health.”Getting out there and taking a walk is what it’s all about,” says James Levine, M.D. [click link for full article]