23 and 1/2 hours: what is the single best thing we can do for our health?

via the atlantic

weighing less, drinking less, smoking less, having a good social network, controlling cholesterol and blood pressure all important to health


but what makes the biggest difference to your health?


what has the biggest impact on the widest no. of health issues?


the medicine which has this effect is exercise - mostly walking - 1/2 hr or maybe an hour - a day if possible


so can you limit your sitting and sleeping to 23 and a half hours a day?