why does only 30-60 minutes of exercise make big changes to your body and heath?

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I have heard of and even seen peope make big changes to their body and health with only 15, 30, or 60 minutes of exercise a day. It doesn’t even seem like much.

Whether it’s cardio or lifting weights, why do people only need that much time a day to improve? In fact, why does MORE time with exercise (like 3 hours or more) even seem harmful?

I know diet plays a big role but still. Like I started strength training for only 15 minutes a day and I see some changes in my body physically.

In: Biology

20 Answers

Anonymous 0 Comments

I suck at consistency, and I have no idea why. Every time I exercise – literally *every single time* – I feel better afterwards. If I manage to go 3-4 days in a row my energy levels are higher and mood is better.

No clue why it works but at 56 years old I can confidently say it always has.

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