The answer would be D because it is a rule at most gyms that you must wipe your sweat off
Once every 6 months as usual
It is swimming because you work your every muscle in your body it is the best sport
The traditional recommendation was that everyone should consult with their doctor before they started to exercise. The reason behind this is that, in theory, when you start to participate in a moderate or intense activity, there is a slightly increased risk of a heart attack or cardiac complications.
Campylobacteriosis, cryptosporidiosis, Escherichia coli. etc..