<span>While new cases have been reported in all regions of the world, approximately two-thirds are in sub-Saharan Africa, with 46% of new cases in Eastern and Southern Africa( hope i'm right)</span>
No, he shouldn't continue lifting this way. When you're lifting something, you need to use proper body mechanics. With the way he stooped over to pick up the box, he has a high chance of injuring his back; you shouldn't bend at your waist when picking something up. Also, you should hold the object close to your body at your waist level. In this case, he should stand with his feet shoulder-width apart, he should bend at his knees instead of his waist, and he should be in a squat-like position when picking up the box.
A.Nylon because nylon is a chemical that is bad if you put it on your skin when it's cold
When someone abuses the use of steroid they can expect these following these to happen to them (The most common ones): Heart attacks and liver cancer, and acne and breast development in males.