Dr. David Katz Quotes
If you take an ordinary daily vitamin, do you get enough to make up for your skin tone? Probably yes. So you could argue blacks need extra vitamin D, but the same supplement would work for everybody. 
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Ordinary | Daily | Vitamin | Skin | Tone |
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By comparing the two pieces of information, the manufacturer says a woman can learn how many eggs she has left, and how many years she'll remain fertile.
- Dr. David Katz
One possibility is that the administration of oxygen displaced carbon monoxide from his blood and so it's in his body but we're [they're] not measuring it yet. Another possibility is that the temperature in the mine, about 55 degrees, can actually affect this blood test, which is challenging to do. And, of course, it's possible, that one miner had a working oxygen mask and was protected from the carbon monoxide to which the other miners were exposed and there may have been a mix of gases.
- Dr. David Katz