Everybody is different so for some energy drinks help the brain wake up. In other cases it energizes the person to much that they can't concentrate. I personally cannot focus after drinking an energy drink as I feel hyper.
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No.
They will, obviously, help you study for your algebra test.
No, energy drinks have no effect on pregnancy tests.
Study
Without a doubt, YES!
to teach you practical study skills
You don't. Energy drinks contains ingredients that are known to cause certain effects in humans and energy drinks make their claims based on the effects of those chemicals. If there were a way to quantify, numerically measure, the actual added "energy", most of these so-called energy drink companies would go out of business for selling a lie.
can i get a false positive test for k2 from drinkin monster energy drinks
No. Amphetamines are controlled substances and can only be distributed with a prescription from a doctor. It has been known in other countries with different laws, that amphetamines are contained within energy drinks. An example country which I know this is true, is Thailand.
Here are some good links to help you learn to study!
No, it is not over. Retake the test and buy the test book at a bookstore to help you study for the test.
Consumer reports did a test on some energy drinks. The report stated that the energy drink with the least caffeine was Targets Archer Farm energy drink in the fruit punch flavor. Here is the link: http://www.cnn.com/2007/HEALTH/08/08/energy.drinks.reut/index.html