stained teeth from tobacco HOW DOES STAIN TEETH?, Your have pores just like your skin. The nicotine and tar in tobacco easily absorbs into these pores causing a yellow or brown discoloration. Although nicotine, by stained teeth from tobacco Whitening

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You must be of legal smoking age (21 years of age or older for U.S

At home Summer break often means later bedtimes and more flexibility, but healthy routines still matter

According to IBM, it can digest information and make recommendations much more quickly, and more intelligently, than perhaps any machine before itprocessing up to 60 million pages of text per second, even when that text is in the form of plain old prose, or what scientists call natural language. Thats no small thing, because something like 80 percent of all information is unstructured. In medicine, it consists of physician notes dictated into medical records, long-winded sentences published in academic journals, and raw numbers stored online by public-health departments