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flurin 18 fluoroestradiol

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A fluorinated estradiol tracer used in PET scans to measure estrogen receptor density in the brain

research neuroimaging pet tracer estrogen
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Peter Attia

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Peter Attia uses this ✓ High confidence
"The way that this tracer works is called flurin 18 fluoroestradiol is that it goes up in the brain and it looks for the estrogen receptors."
From: 381‒Alzheimer’s disease in women: how hormonal transitions impact the brain, new therapies, & more • ▶ 37:37 • Jan 2026

Attribution: Guest describes using this specific tracer to measure estrogen receptors in the brain