Leyla Weighs In: Practical ways to lower blood pressure
More and more people are being diagnosed with high blood pressure. The changing guidelines for diagnosing hypertension certainly play a role, but the twin epidemics of obesity and diabetes – collectively known as diabesity – and their associated metabolic disturbances (metabolic syndrome) are the core reason.
If you have high blood pressure, you’ve probably been told to go on a low sodium diet. But did you know that salt is only the middle man? And that only a small percentage of the population has sodium sensitive hypertension? Hyperinsulinism and insulin resistance associated with diabesity upregulates sympathetic nervous system activity and causes sodium retention, causing high blood pressure. The antidote is a low carb diet. This effectively reduces insulin secretion, abating abnormal sodium retention.
That’s why the first few days on a low carb diet are mainly water loss. The diuretic effect of this therapeutic diet can be as powerful as prescription HCTZ or Lasix – the “water pill” often recommended to those with hypertension.
Nitric oxide (NO) produced in the arteries is a signaling molecule that promotes vasodilation (relaxes the arteries). Beneficial for lowering blood pressure, NO production is enhanced by exercise, sunlight, antioxidants and polyphenols, omega 3 fatty acids, and vegetables that are moderate to high in nitrates. These include arugula, beets, cabbage, carrots, celeriac, celery, chervil, dill, endive, fennel, kohlrabi, leek, lettuce, parsley, radish, spinach, turnip and watercress.
Factors that decrease beneficial NO production? Insulin resistance, oxidative stress and inflammation.
Losing as little as five to seven percent of body weight can help lower blood pressure. Certainly, this will be achieved with a low carb diet. And because you’ll be eating plenty of the vegetables listed above, and incorporating lower glycemic fruits like avocado, tomatoes, berries, kiwi, apricots and pears, you’ll be getting plenty of beneficial potassium as well.
Last, but never least, is exercise. Cardiovascular conditioning is critical for maintaining normal blood pressure levels. But if you’re blood pressure is very high, please talk to your doctor first before taking on any type of vigorous exercise regimen.
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