Now there’s exciting research backing up hibiscus tea’s medicinal benefits, especially for heart health. Scientists have confirmed that the deep red flowers gently lower blood pressure, thanks to their diuretic properties (they help the body eliminate excess water) and the fact that their anthocyanins block angiotensin-converting enzyme (ACE), the compound that causes blood vessels to constrict—exactly what the prescription combo of lisinopril and hydrochlorothiazide does, but to a milder degree and without side effects. Hibiscus Tea RecipeThis makes a great, refreshing tea. The ingredients:4 c water3 Tbsp dried or 4-5 Tbsp fresh hibiscus flowers1 cinnamon stick1 Tbsp raw sugarJuice of 1 orange Boil water and pour over hibiscus and cinnamon stick. Steep for 20 minutes. Strain out hibiscus and cinnamon stick. Add sugar and orange. Serve hot or iced. Send your questions for Dr. Low Dog to askdrlowdog@prevention.com Tieraona Low Dog, MD, is the author of Life Is Your Best Medicine. More from Prevention: How To Brew The Perfect Cup Of Tea