Personally I find going to the gym being most helpful to stop myself from binge eating. Any activity that keeps you active can help you from just sitting around while snacking on foods.
However, do have your basic three meals a day as you should be doing. This is required for your basic health.
I think it's D. Because the students impulse is to do it because its cool, because all their friends do it. Hope my answer helps you! :)
Look at your R-R ratio, depending on the time segment attributed to each square you can then do the math and find time between waves, then find the number of R waves in minute
