You see a magazine article with the following subtitle: “This all-natural cold remedy from ancient Egypt can cure headaches, fevers, cramps, and more!” Which of the following “red flags of quackery” does not appear in this sentence? natural
ancient Wisdom
secret conspiracy
miracle cure-all

They need to know because sometimes they have a symptom

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)