... Really trained athletes can work out with heart rates like that. Us mere mortals need to be careful. ... (6 replies)

... The long term benefits of regular exercise generally far outweigh the risks. ... (5 replies)

... It's good that you want to exercise, but since you have some existing health problems, you might want to get some guidance from a doctor first, or at least increase your activity level very slowly, start with just some gentle walking. Don't lose that momentum, but make sure that what you are doing is safe. (6 replies)

... this was incredibly informative and helpful, well done! (5 replies)

... York Times on April 24, 2001, this very subject was tackled. Back in 1970, two doctors preparing for a meeting wanted to determine how strenuously patients with heart disease could exercise. They gathered information from ten studies using people of all different ages who had been tested for maximum heart rate. ... (5 replies)

... so you're not necessarily in danger if you're going above that 159. ... (17 replies)