My best guess would be D. many studies have linked cardiorespiratory exercise to the lowering of blood pressure. (Many studies have also linked going vegan to the lowering of blood pressure, too :)
Organelles-cells-tissues-organs-organ system-organism
Aids because that can make your kids disabled or kill them
C is correct because it’s documented
<span>The answer is letter C.<span>
<span>In doing
something for someone else, your mind gets off of its own troubles. Helping
someone could serve as a diversion from stresses that you experience. In doing
this, you are immersing yourself in an environment where stressors are not present.
Aside from this, the experience makes you feel socialized and well accompanied
by the presence of another, where you can share and talk about other things
other than your problems. Socializing is one of the best ways to
distress from monotonous activities and is highly encouraged by experts to be
done on a regular basis.</span></span></span>
