There are many reasons you might want coffee alternatives. You may want to avoid the jitters or gastrointestinal effects of ...

Diet Coke has more caffeine than regular Coke. This can seem strange, but there's an important reason for the added boost ...

Caffeine isn't all the same. There are two main forms, natural and synthetic, and they come in various beverages like coffee ...

“Unlike sedatives, L-theanine doesn’t seem to dull the senses,” he explains. “It appears to do this by influencing key brain ...

Higher cortisol levels can raise blood sugar levels, because of stress, sleep irregularities, and other factors.

However, in higher amounts, caffeine may cause side effects like sweating, anxiety, sleep disturbances, and irregular ...

Certain foods and drinks, such as water, cranberry juice, green tea, hibiscus, blueberries, probiotics, and garlic can help ...

Join our MRI study at Johns Hopkins! Healthy 18–40 volunteers undergo a 45‑minute brain scan (no smoking, caffeine, tea, or alcohol 2 hours prior); earn $30 for the basic scans and up to $50 with opti ...

Trying to quit soda? Discover 7 great-tasting and healthier alternatives like sparkling water and functional sodas to help ditch the sugar.

Alcohol and caffeine also impact your cortisol levels, and consuming too much of either or both over time impacts your ...

Small morning habits like screen time and skipping breakfast may disrupt your hormones more than you think. Here’s how to ...