1. Epstein shares a demonstration comparing 1936 sprinter Jesse Owens with present-day sprinter Usain Bolt What role does biomechanics play in this?

Ithink the answer is talking about their problems  

Starvation is bad because it makes your body unhealthy. if you don’t have a healthy diet you can age faster or even die before you’re 30.

You should only go in for less than 10 minutes at a time, or avoid them altogether, especially in the early weeks. studies have shown an increased risk for birth defects in babies of women who had an elevated temperature before 7 weeks of  pregnancy.