Laboratory studies of endurance on stationary bicycles have found that caffeine
A. can significantly improve work output at doses of 300-500 mg.
B. can double endurance at 80 mg, the amount in a can of Red Bull.
C. does not appear to improve performance.
D. does not work as well as it did in studies of marathon runners.
Question 2
Rimonabant is a CB1 receptor antagonist that was used as an anti-obesity agent. What was the drug removed from the global market in 2009?
A. it was ineffective as an anti-obesity agent
B. concern about dangerous psychological side effects
C. marijuana became legal in 20 U.S. states
D. dronabinol was found to be more effective for obesity
Image was downloaded from the Jet Propulsion Laboratory web site
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