Caffeine Effects: Withdrawal, Sleep & Health Impact

Caffeine impacts everything from sleep quality to concentration and heart rate. Learn how long withdrawal takes, the diuretic effects on the body, and the potential risks of taking caffeine tablets with medication or alcohol.

Glass cup with fresh green tea

Caffeine in Green Tea Vs. Coffee

While green tea and coffee both have caffeine, coffee has a significantly greater amount per cup. Coffee and green tea have other nutrients in them that have been linked with significant health benefits.

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