How often, how much and at what intensity can I safely exercise?

Before starting an exercise routine, it's important to talk to your doctor about how long your exercise sessions can be and what level of intensity is safe for you.

In general, try to accumulate about 30 minutes of physical activity a day at least five days a week. For example, try walking briskly for about 30 minutes most days of the week. You can even break physical activity up into short chunks of time spread out through the day. Any activity is better than none at all.

If you're not able to do this much activity, do as much as you can. Even an hour a week of physical activity can have health benefits. Start with moving more and sitting less, and work your way up to moving more each day.

If you haven't been active for a while, start slowly and build up gradually. Ask your doctor what kind of exercise goals you can safely set for yourself as you progress.