Moderate amounts of caffeine may ease headaches. However, if you have multiple cups of coffee daily, cutting back could cause ...

Medically reviewed by Arno Kroner, DAOM Key Takeaways Small doses of caffeine, such as those in common painkillers, can help ...

Caffeine doesn't just make it harder to fall asleep; it changes how the brain behaves during rest. New research shows that caffeine alters brain activity in ways that make sleep look more like ...

Heart medications, asthma treatments, osteoporosis drugs and mental health prescriptions can all interact with caffeine, ...

Coffee may benefit the brain through multiple pathways, but caution is key due to caffeine consumption.

A recent study of sleep lab volunteers reveals that caffeine impairs essential brain functions at night. Here’s what happens. Stacey Leasca is an award-winning journalist with nearly two decades of ...

For many people, morning is impossible to navigate without at least one cup of coffee. Amidst its many compounds that give this brew its unique taste, coffee contains caffeine, which helps push away ...

From espresso to energy drinks to supplements, caffeine comes in many forms, Rula notes. And if you're like most people, you probably enjoy a cup of coffee each morning or a late-afternoon soda to ...

Matcha, or powdered green tea, has more caffeine than other teas and as much as coffee and espresso, but it offers many other ...