Kurzgesagt did a video on exercise! It's a good watch, and it shows that while exercise is not a cure for all that ail's ya, it does increase your overall quality of life.
Of course don't overdo it- during lockdown I began to run a 5k a day during my lunch break. I set Sunday as a recovery day, but still I was 25 and had the last bits of my "made out of rubber and magic" era, so ya know, I'd stretch for 60 seconds and call it good.
I'm still very active, and I switch between running and climbing, but only after being sidelined for 2 weeks to take care of my IT band. I now have to stretch for a good 15-30 minutes before and after. My recovery day now is a good yoga stretching session.
Thank God I am self employed so I have time in the day for it, but still, exercise is awesome but you need to be careful and do it right. You only get one body, so take care of it. It's the best instrument you will ever own.
Anyway, time to hit the wall with my buddy and then grab an IPA. 🍻