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

In addition to that 30-60 minutes of exercise I find that I am far more motivated and physically active for the rest of the day which will burn probably another 150 or more calories that I would not have otherwise.

I also tend to be more observant and critical of what I put in my mouth if I feel like I am offsetting the benefits of the exercise. In that way, regular exercise also directly impacts my diet.

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