Most stimulants, like other drugs, produce tolerance. This means the drug—and caffeine, while mild compared to other stimulants, is a drug—becomes less effective, or even ineffective, unless you increase the dose. Usually, the mechanism behind drug
Most stimulants, like other drugs, produce tolerance. This means the drug—and caffeine, while mild compared to other stimulants, is a drug—becomes less effective, or even ineffective, unless you increase the dose. Usually, the mechanism behind drug
