How much exercise do we need?

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"The researchers found that the Moderna vaccine’s effectiveness against hospitalization was 93%, compared with 88% for Pfizer-BioNTech’s and 71%...

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The NY Times has an article today titled "How Much Exercise Do We Need to Live Longer?" https://www.nytimes.com/2021/09/15/well/move/exerci...

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Thank you!...

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Is there any harm to being at a slight calorie deficit for many months? I've lost about 12 pounds this year at a rather steady pace, from 167-155 and...

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Is there any reason to prefer one form of aerobic activity to another so long as you're exercising at an appropriate intensity for an appropriate amount...