Why You Should Know How Much Caffeine Is in Everything
by Beth Skwarecki on Vitals, shared by Beth Skwarecki from Lifehacker on (#41N1Y)
Most of us go through life with only a vague idea of how much caffeine is in what we eat and drink. That coffee should wake us up; this soda is probably caffeine-free. But if you want to use caffeine effectively, you really need to know the amount in your favorite sources. You can't properly time your caffeine"