I think the answer is Depression.
Depression can lead to feeling ill sometimes (Ex. Having a lower pain tolerance, aching all over your body, headaches, stomach pains)
This is a true statement.
Hope this helps~!
~{Isle of flightless birds}
<span>Air pollution badly affects the health of an individual. Polluted air leads to viral diseases. so the answer is environmental </span><span />
Ask google, it’ll tell you
