can put stress on the heart muscle.
LIFTING HEAVY WEIGHT
TRAINING TO OFTEN
HOLDING YOUR BREATH

LIFTING HEAVY WEIGHT i believe this is the answer its either this or holding your breath but this is more likely to be the answer :)

Explanation:

5 make a schedule.

2 break up the project into simpler tasks.

3 prioritize tasks.

1 create an action plan.

4 delegate work\

i think this is in order. hope it : )

its c just did the test