Look up evidence for the benefits of exercise to cardiovascular health and muskuloskeletal integrity, both of which will apply generally and you'll also find specific examples for swimming.
For the bad - find some data on %age infection rates of public pools with water borne germs? Injury rates from slip and fall on wet tiles? Chance of drowning?
Look up evidence for the benefits of exercise to cardiovascular health and muskuloskeletal integrity, both of which will apply generally and you'll also find specific examples for swimming.
For the bad - find some data on %age infection rates of public pools with water borne germs? Injury rates from slip and fall on wet tiles? Chance of drowning?