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.
Contamination usually occurs when draping an extremity.
Saturn’s main rings span 170,000 miles across but are less than (or about) one mile thick.
The complete answer:
Exercise at moderate intensity.
Exercise more than once a day.
Slowly increase the duration.
Avoid high impact exercises.