Comparing the caffeine content of black tea and coffee isn't as simple as you might expect. Here's what you should know in ...

Tea drinking may be as old as the hills, but it’s constantly evolving. The tea bag has been ubiquitous since the 1950s, but ...

Researchers found that compounds in black and green tea leaves acted like “little Velcro” hooks on lead molecules. By Alexander Nazaryan Tea leaves pull heavy metals from water, significantly ...

Bear in mind that popular herbal teas do not come from the actual tea plant itself and ... and the processing of that leaf, you can create, white tea, green tea or black tea.

Black tea and green tea are both made from the same plant. What makes them different are the ways the leaves are processed. Black tea leaves are crushed so the chemicals inside them get exposed to ...

With their wrinkled surfaces, black tea leaves, shown above at 300 times magnification, provide ample space for the adsorption of lead. (Credit: Vinayak P. David Group/Northwestern University) Want a ...