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Your Brain: Is Low Thyroid a Factor?

We continue this month with our series on why your brain might not be functioning the way you feel it should.

Hypothyroidism, or an underfunctioning thyroid gland (commonly called low thyroid), is often overlooked by doctors as a cause of poor memory. It’s neglected because many physicians rely solely on a not-very-good blood test to confirm or reject a diagnosis of low thyroid.

Low Thyroid and Taking Your Body Temperature

If your basal temperature (armpit temperature, taken when you awaken in the morning) is below 97.6, you might benefit from a small dose of natural thyroid replacement, usually in the range of one half grain to 1 grain daily, available by prescription, to improve your energy.

Measuring Hormone Levels

First let’s discuss a strategy to get your health insurance to pay for as much of this testing as your policy allows. Good hormone testing is pricey.

(Those $30 kits that test all your hormones are only moderately accurate, especially when it comes to estrogen and progesterone. If you’re having periods, levels of these hormones change virtually every day, and trying to get an accurate picture with a single day’s result is a waste of your money.)

“My hormones are out of whack!”

That’s the single most common sentence I hear from my patients.

It can come from a 25-year-old with irregular periods and industrial-strength PMS whose energy has gone down the tubes. Or from a 45-year-old (on the threshold of pre-menopause) who continues to gain weight even though she’s eating less and exercising more, and who adds that her brain feels like mush and her sex drive is a distant memory.