Where do you usually look when you want to balance fitness with medical advice?

In F761402#156523, @meoowu77 wrote:

Where do you usually look when you want to balance fitness with medical advice?

When I started exercising more, I thought maybe I should also look at medical side. I ended up on https://ways2well.com/ and it gave me useful resources. They mention offers like discounts for first-time users and personalized wellness plans, which sounded fair. I liked it since it gave me motivation to keep balance in my routine.