How hard to you have to exercise to reap benefits? Elizabeth Tracey reports

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Are you someone who really doesn’t like to breath hard or sweat much? if so it may seem that you will never be able to incorporate exercise into your routine, as is recommended for your health. Kerry Stewart, an exercise and cardiovascular health expert at Johns Hopkins, says most people will do well with moderation.

Stewart: Intensity refers to how hard are you working how much effort are you putting in. The evidence would suggest that for most people a moderate level not only produces health benefits but it also will increase cardiovascular fitness. It's important to make a distinction between the two types of benefits that accrue from exercise. One benefit is you become more fit which has to do with your ability to perform how fast can you run or in a sport how far can you throw a ball.  :32

Stewart notes that other benefits of exercise don’t require high intensity, so there’s really no reason to hold yourself to a high standard of performance if that’s not your goal. At Johns Hopkins, I’m Elizabeth Tracey.