healing ways
by Ronica O’Hara
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ur brain has many well-known structures like the amygdala that detects danger and the prefrontal cortex that enables planning, but we often take for granted the 400 miles of blood vessels that push through a liter of blood per minute, carrying in oxygen and nutrients, and porting out wastes. “Our brains are highly metabolic organs, so they require lots of nutrients and oxygen to function properly, and those can only get to our brain when we have good blood flow,” says naturopathic physician Emilie Wilson, of the Synergy Wellness Center, in Prescott, Arizona. When that blood flow is optimal, we feel energized and clear-headed; when it’s low, we feel foggy and listless. Low levels of cranial blood flow have been linked in brain imaging studies to strokes and dementia, as well as bipolar disorder, depression and suicidal tendencies. The first imperative for healthy cranial blood flow is to make sure our blood pressure, blood sugar and cholesterol numbers are in a healthy range. Health practitioners can help us address that, as well as the conditions linked to reduced blood flow—heart disease, hypothyroidism, diabetes, anemia, depression and smoking. To boost brain blood flow, specific lifestyle strategies have proven to be highly effective:
1
Eat strategically, especially beets and chocolate.
Nitric oxide (NO) is made in the endothelium, the thin layer of cells that line blood vessels; it relaxes the inner muscles of those vessels, maximizing blood flow. “The continuous formation of NO in the brain is essential to life,” says prominent pharmacologist Louis Ignarro, Ph.D., who received the Nobel Prize in Science in 1998 for discovering that humans produce NO and that it lowers blood pressure and improves blood flow. He advocates passing up
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POWER UP YOUR BRAIN Six Ways to Boost Blood Flow
