Your body will only be able to function and maintain it's homeostasis at a constant stable temperature of 98 degree's farenheit. It will usually only be able to take a min of 96 or a max of 102. Usually at hitting those max/min, the body will have begun to loose it's ability to mantain that temperature and it could then start beginning a downward spiral of Hypo- and hyper- Thermia, which is very dangerous.
Ron is being proactive knowing high blood pressure runs in his family he studied what the causes and signs were so he knows to avoid certain foods and to exercise to keep his blood pressure under control.
Skipping steps that might not be as useful or ones that are time consuming. THEY ALL MAKE A DIFFERENCE
Yes, you can because professional athletes in my opinion push there body to hard. There is such thing as being to fit. Yes, you get nice arms or legs but they also have heath problems later on in life.