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The doctor is in — the mailbox, that is.You can now do self-administered tests for everything from thyroid function to HIV in the privacy of your own home — and that list continues to grow, as the ...

Curious about your sensitivity to certain foods? Wondering if your thyroid levels are what are suddenly making you so tired? Or maybe you're dying to learn more about your gut microbiome? There's an ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...