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Tea up, blood pressure down: Certain teas can fend off hypertension, studies show.
RODALE NEWS, EMMAUS, PA—More people visit doctors for high blood pressure than for any other condition, aside from the common cold. And while blood pressure medications are usually effective, science has shown us that many foods can help lower blood pressure, too. In fact, a study just published in The Journal of Nutrition found that drinking hibiscus tea can help lower blood pressure in adults classified as prehypertensive or mildly hypertensive. (Hypertension is another word for high blood pressure.)
THE DETAILS: In this new (but small) study, researchers assigned 65 participants who were aged 30 to 70 to drink about three cups of hibiscus tea a day, or a placebo drink every day, for six weeks. The strength of the brewed tea they drank was comparable to the amount you'd get from brewing blended hibiscus tea bought at a health food store. After the six-week period, those who drank the hibiscus tea showed a 7.2-point drop in their systolic blood pressure (the top number, which shows the force of blood in the arteries as the heart beats), compared to a 1.3 drop in the control group. The authors conclude that hibiscus tea could be a dietary change recommended for people with prehypertension (a reading between 120/80 and 139/89 mmHg, according to the National Institutes of Health) or mild hypertension (140 to 150/90 to 95 mmHg). This isn't the first study touting the benefits of hibiscus tea in dealing with high blood pressure. But this new research does suggest that people who are at risk of developing high blood pressure, not just those who already have it, can lower their numbers back into the safe range by regularly sipping the tea.
WHAT IT MEANS: In 90 to 95 percent of cases, scientists don't know what causes high blood pressure. Race, heredity, family history, and aging can all play a role, as can risk factors like being overweight or obese, living a sedentary life, getting too much salt in the diet, stress, using tobacco and/or alcohol, and eating too little potassium in the diet, as well as certain chronic conditions like diabetes, kidney disease, insomnia, and high cholesterol. Some researchers believe even too little vitamin D can lead to high blood pressure, although that has not been proven.
If left untreated, high blood pressure can damage vascular walls, force your heart to work harder, and prevent adequate oxygen from reaching your organs. It also increases your risk of suffering a stroke, aneurysm, blood clot, or heart attack. And new research is also finding a strong link between high blood pressure and dementia. So it's in everyone's best interest to treat the problem and bring BP readings down to healthier levels. If you are already on blood pressure–lowering drugs, talk to your doctor about incorporating beneficial foods and herbs into your routine to safely lower your blood pressure reading and live a healthier life.
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Healthy eating & Blood Pressure
Perhaps the blood pressure lowering effect of drinking hibiscus tea is because we are likey to drink less caffine. Similarly those who praise garlic should consider that if garlic is used in recepies there may be less salt added.
Along with eating plenty of fresh fruit and vegetables current advice to help lower high blood pressure is to dramtically reduce the amount of salt in our food
High Blood Pressure
I was diagnosed with HBP in 2007 at age 47. What is the normal BP suppose to be? The cuff at Rite Aide says 130/80 but I get a different answer every where I go.
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Hi Chris,
It's in your best interest to avoid heating any type of plastic, according to all the environmental health doctors we've interviewed. (That includes microwaving and cleaning them in a dishwasher, and drinking hot beverages from Styrofoam cups.) While some plastics are generally worse for your health (No. 3, 6, some 7s), all of them leach some chemicals, so it's best to skip the plastic altogether. Using food-grade stainless steel water bottles and coffee mugs is a good option. As for cooking foods, you can make your own steamer by boiling one or two inches of water in a stainless steel pot and setting a stainless steel colander inside to hold your veggies. Hope this helps!
Cooking in plastic
What about cooking vegetables in the "Steam Fresh" bags? They are also made of plastic, so how good are they for your health?