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Browsing Posts tagged Blood pressure

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Good source of potassium - Image by Getty Images via @daylife

We’ve all heard since we were young, if you have high blood pressure you have to  cut your salt. Now scientists have found more people with high salt levels are dying of cardiovascular and all other causes—when they also have low potassium levels.

Sodium is known to  raise blood pressure and stiffen arteries. Potassium activates nitric oxide, which relaxes arteries and combats high blood pressure. Sodium also interferes with the body’s ability to use nitric oxide. Read more at National Institutes of Health on sodium-potassium.

A poor ratio of salt to potassium is found with more deaths from cardiovascular causes and from all causes. It’s a question of balance, according to a recent study in the Archives of Internal Medicine put out by the Centers for Disease Control and Prevention.

And of course, the study does not say that the high-salt-low-potassium levels are what actually killed people—just that many deaths were associated with the poor ratio. Other causes could certainly be more directly responsible for the deaths they counted. Perhaps a reasonable conclusion we might make is that if you eat too much salt you might also be prone to make other less-than-ideal lifestyle and nutrition choices.  Geez, these days we can’t get away with anything…

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But either way, folks with high blood pressure or congestive heart failure must carefully ration consumption of foods high in sodium–which includes almost anything you buy in packages or eat in restaurants—and eat lots of foods high in potassium. Thankfully there are dozens of tasty foods loaded with it, so most people don’t have to look to supplements. Like have a baked potato—one of the richest and best-tasting sources of potassium you can get. By the way, start gradually substituting no-fat yogurt for your sour cream. Then when you use just yogurt on your baked potato you get another boost to potassium along with other nutrition benefits.

Studies show that Americans get about 75% of their sodium from prepared foods and restaurant meals. I’ve personally found that if I eat mostly fresh foods and those I cook from scratch, I don’t have to totally avoid salting my food. So it may be that if you don’t get the gross overload of sodium from prepared foods, there’s room for enough salt to safely make your own cooked foods taste very good. Naturally, though, your doctor is the last word on all of this.

Have a happy, healthy new year—and eat some spinach in your scrambled eggs tomorrow to combat the potato chips and cheese in your NYE feast tonight…

 

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Watermelons

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Yep. Eating watermelon boosts your nitric oxide which in turn lowers your blood pressure, according to this report.  It’s not that watermelon introduces NO directly into your body. Rather, your body converts into nitric oxide a substance watermelon has lots of, L-citrulline.

The Emory University professor says this juicy fruit is also full of lycopene, the antioxidant carotene that tomatoes have been bragging about for years now. Good to hear, I guess. ‘Cuz I always thought the watermelon my parents served us out in the yard some hot summer nights was just a big messy excuse for spitting stuff out—an activity normally proscribed by good manners.

Reminds me of the time I discovered a new nutritional fact about one of my favorite vegetables, green beans. I’d wondered for years what the hell made these little guys so tasty since I couldn’t find any listing showing they had any  significant quantities of any known-to-be-valuable vitamins or minerals. And then scientists discovered flavonoids—and wow, turns out green beans promote the production of NO and are really good for us. I’m guessing the same thing may happen one day with other foods that people love but for which scientists haven’t yet figured out redeeming nutritional values.

Potato chips

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I’m wishing potato chips would fall into that category one day.

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