This cooling down wait will help you avoid cramping and even a heart attack. You may see temporary gain, but you are injuring your body. In women, excess facial and body hair, breast cancer, shrinkage of the breasts may occur. Steroids tend to be psychologically addictive. The person feels dependent on taking them, until the physical damage becomes deeply ingrained.
Anabolic steroids can produce heart attacks.
Do not lift weights if you have a heart problem. At the moment of the lift, breathing stops, circulation to the heart decreases, and great pressure is placed on the heart and lungs by surrounding muscles. Live to bless others, and you will find your deepest satisfaction. Live only for yourself, and you will perish alone.