Answer:
A
Explanation:
This seems like the best answer. Let me break it down for you:
Stamina is the ability to sustain prolonged physical or mental effort.
Regularity and Specificity just refer to how much you do and what you do.
Overload and Progression refers to if your doing too much and at what rate.
Answer: One of the best ways to boost your memory is to eat less sugar.
Um...because someone put to much caffeine XD or a human does not need a lot of caffeine and coffee has more than needed