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Episode #127: Optimal Ranges for Blood Work & What They Actually Can Tell You

LONGEVITY with Nathalie Niddam

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Thyroid Disease - What's the Normal Range?

The TSH is helpful, but it's not the end all be all for thyroid disease. I like that level to be between one and two if possible. If we're talking about a free T3, this blood test should be drawn in the morning fasting. The Lugo's iodine test is for those of you who don't know: You drop four drops on your arm. On the inside of your forearm, you rub it in. It's going to leave this crazy stain. So can I tell you that it lasts on my arm for about 10 minutes? Like, go on. Go on.

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