What health problems are associated with being overweight and having too fat fat in the blood -low blood pressure
-diabetes
-increase risk of heart attack
-reduced risk of arthritis
-blocked and clogges arteries
-high cholesterol

Blocked and clogged arteries

Diabetes

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)