Insights

Everything you need to know about all things longevity


HTMA Test: Is Hair Tissue Mineral Analysis Accurate?

Is an HTMA hair test accurate? Health coach Brent Wallace went through the research from 1985 to 2025 to find out. Hair tissue mineral analysis does one job well: estimating methylmercury exposure from fish. In a 2025 study, hair and blood didn’t significantly agree on any of nine minerals, even though the hair was tested by an HTMA lab whose staff co-wrote the study. The article covers what the test measures, what can skew a result, how it compares with blood tests, and five questions to ask before you pay $100 to $400 for a kit.

Best Longevity Doctor In Chicago: 5 Physicians Compared (2026)

Chicago has two kinds of longevity care, and most guides lump them together. One is a research-grade aging assessment inside a hospital system. The other is a crowded private market where quality varies wildly. Sort the lane first, then screen the clinic with two questions before you spend a dollar.

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