Vincent is considering buying a creatine supplement after he saw a variety of these ergogenic aids advertised in a fitness magazine. Which of the following is a common deceptive marketing tactic that he should watch out for?

A. an offer for a free mail-order anabolic assessment

B. a recommendation to assess body composition through underwater weighing
C. evidence about creatine's effect on resistance exercise and sprinting
D. a warning about creatine's short-term side effects

you dont brother god luck

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.

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