Green and hibiscus teas support heart health, but hibiscus tea may be more effective for lowering blood pressure.

Chai and green tea share the same origins but differ in their constituents, flavors, health benefits, and taste.

Green tea can help lower blood pressure when consumed regularly. Learn how often and how much to drink to reap the blood pressure benefits.

Cynthia Sass is a nutritionist and registered dietitian with master's degrees in both nutrition science and public health. Frequently seen on national TV, she's Health's contributing nutrition editor ...