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Which Is Better Hair Or Nail Drug Test? [Solved]
Hair and nails are both formed by keratin, the fibrous protein that also traps drug and alcohol biomarkers. Therefore, both forms of testing can be used to detect the same thing. In fact, due to nail keratin being 4x thicker, nails will often capture more accurate results than hair.30 Nov 2014
The Benefits of Nail Testing
When it comes to detecting risky substance abuse lifestyles, it is hard to compete with the benefits of
Hair Follicle Drug Test—Pros & Cons, Myths, and How It Works
David Bell explains what a
How does a hair drug test work?
How does a
