We asked registered dietitians to explain green tea's caffeine content, factors that affect how much caffeine is in each cup, ...

Some energy drinks are worse for you than others. Here's how seven popular brands stack up — and how to caffeinate safely.

You could expect coffee drinkers to have worse symptoms than tea drinkers, due to the higher caffeine content, but it depends how much you drink. Pregnant women should “limit their intake of ...

Rooibos tea, native to South Africa, is a caffeine-free and antioxidant-rich beverage. It helps in lowering stress levels and ...

Coffee: Drinking two to three cups of coffee daily offers the most heart health benefits, providing an antioxidant boost and ...

4 at 6:05 a.m. Do you start your mornings with a potent dose of caffeine from a freshly brewed cup of Joe? Or do you prefer a slightly less caffeinated nudge from a warm and gentle cup of tea?

Chronic constipation can be exacerbated by daily habits like excessive tea drinking and smoking. Tea, especially black tea, ...

To determine whether reported improvements in brain function for older adults are solely due to caffeine in green tea or whether other components play a role, ITO EN researchers led a double-blind ...

Once your tea bags are ready and cooled, settle down in a cozy spot. Position one tea bag over each closed eyelid, ensuring ...

What’s more, the stronger the coffee or tea, the less iron absorbed (3). However, caffeine alone does not ... absorption decreases as the polyphenol content of the food or beverage increases ...