On a cellular level, how does exercise make us healthy or improve our health?
In: Biology
This is the ELI5 version.
When your body is just sitting around there’s still a lot of stuff you’re body is doing. When you exercise your body has to be able to do those normal sitting around things better and faster to be able to keep up with the demands of exercising. If you do that enough times your body realizes it’s not doing a great job and needs to get better at doing those basic body functions and it send the signal to your body hey everybody we need to do better everyone start improving things. As this happens and your body gets a lot of practice operating at a higher level it means it’s a breeze to do the sitting around part and in general your body is less stressed just sitting around because it’s so much easier. Stress is okay in short bursts it reminds us we have to be better but constant stress with no break is bad for our bodies because it means we’re always working hard without a break. And when we actually do need to work hard we can’t because we’re maxed out and at risk of breaking down.
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