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.

Caffeine in Hot Chocolate Vs. Coffee

Published Jul,08 2011 | By Daniel Robb

Caffeine has gained a lot of attention over the last couple decades, leading to more informed consumers. The reasons for the attention stem from concerns about cancer, anxiety, headaches and jittery stomachs. The amount of caffeine varies significantly between beverages and brands.