For many other people, caffeine is something of a mystery. Studies — and there are scads of them — sometimes contradict each other. Products containing caffeine use positive words like “energy” and ...

Despite the common belief that chocolate makes you hyper, the truth lies in its caffeine content — and it’s probably not as ...

Suddenly stopping caffeine can cause the brain to go into withdrawal. This happens because caffeine temporarily block receptors, and then when the caffeine is stopped, the brain releases too much of ...

If you're sensitive to caffeine or trying to cut back, it's good to know what foods and drinks contain this stimulant. Here's ...

When your energy stores are running low (like, really low), stretching out that much-needed caffeine buzz from your morning cuppa is a non-negotiable. This is even more imperative if having more than ...

Caffeine helps us wake up and stay alert, but too much can be harmful to our health. Some coffee drinks at Starbucks contain almost the daily limit for caffeine in one cup. Starbucks also has drinks ...

Have you ever grabbed a cup of coffee to fight off fatigue—only to feel even sleepier afterward? If you’ve asked yourself, “Why am I sleepy after coffee?” you’re not alone. Many people experience ...

However, their decision-making was 7.14% lower, and LSPT scores were 3.49% lower after they consumed caffeine. “While the short pass accuracy remained consistent among almost all participants before ...

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