Sorry if I'm not demonstrating adequate sympathy, but all I can thing of from reading this headline is "oh dear, a person with a genetic adaptation that prevent

Sorry if I'm not demonstrating adequate sympathy, but all I can thing of from reading this headline is "oh dear, a person with a genetic adaptation that prevents some wavelengths of light from penetrating to deeper layers of the skin will find it hard to make some wavelengths of light penetrate to deeper layers of the skin" As a nonmedical person, this seems blindingly obvious - to the point I could reference the "floor is made of floor" meme - so it would surprise me to learn that professionals haven't considered this downfall of the technology when taking their readings. Judging by the discussion here, I don't think I'm going to be surprised today.