Increases in the level of high-density lipoprotein (HDL)in the human bloodstream lower bloodstream cholesterol levels by increasing the body' s capacity to rid itself of excess cholesterol. Levels of HDL in the bloodstream of some individuals are significantly increased by a program of regular exercise and weight reduction. Which of the following can be correctly inferred from the statements above?
A: A program of regular exercise and weight reduction lowers cholesterol levels in the bloodstream of some individuals.
B: Individuals who are underweight do not run any risk of developing high levels of cholesterol in the bloodstream.
C: Exercise and weight reduction are the most effective methods of lowering bloodstream cholesterol levels in humans.
D: Individuals who do not exercise regularly have a high risk of developing high levels of cholesterol in the bloodstream late in life.
Choose A, B, C or D as your solution.
A