The four factors resulting an inaccurate temporal artery reading would be sweating forehead, a dirty lens, quickly scanning the forehead and one does not keep the button down. Arterial temperature is one that is close to the rectal temperature higher than the oral temperature.
Aerobic activity. Get at least 150 minutes of moderate aerobic activity or 75 minutes of vigorous aerobic activity a week, or a combination of moderate and vigorous activity. The guidelines suggest that you spread out this exercise during the course of a week.
hope this helps :)
Water can help to fight colds, hydrate our body when we feel dehydrated etc