Give one cost and one benefit of exercising?

Answer 1

https://www.google.com/search?source=hp&q=exercising+pro+con&oq=exercising+pro+con&gs_l=psy-ab.3..0i22i30k1l4.2129.16502.0.22793.11.10.1.0.0.0.329.1688.0j7j2j1.10.0....0...1.1.64.psy-ab..0.11.1693...0j0i22i10i30k1.jn2ckltXIYw

Answer 2

What does your text say? Has your teacher discussed this topic? This may give you some ideas, too:

https://link.springer.com/content/pdf/10.2165/00019053-199405020...