Earth is approximately spherical in shape like all planets and stars. Earth is composed mostly of rock. Three-fourths of its surface is covered by a relatively thin layer of water (some of it frozen), and the entire planet is surrounded by a relatively thin blanket of air.
I have personally experienced this in my many years of lifting effectively and efficiently. Lifting 60-70% of max with more reputations can incredibly increase your muscle development and growth.
Therefor, the answer is False.
Physically, being under a large amount of stress can be detrimental to the body's overall health, like high blood pressure, which can cause heart attacks, which in some cases lead to death. And insomnia can also be a cause from too much stress. Socially, it can cause you to be antisocial and to avoid social situations, it also can cause panic attacks and breakdowns. Emotionally it can cause depression, and again panic attacks, and an leave you angry/depressed.