Marvin Cohen
Marvin Cohen
Marvin L. Cohenis a Canadian-born American physicist. He is a professor of condensed matter physics and materials science at the University of California, Berkeley. Nobel laureate Robert B. Laughlin studied under John D. Joannopoulos, a student of Cohen's...
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But for those who have a chronic problem, it can't be explained by periodontal disease, ... Is it something in their saliva? The truth is, nobody knows.
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A lot of people think that if someone has a chronic bad-breath problem, they don't take care of their teeth, ... They assume bad odor is associated with lack of adequate dental health. But that's not necessarily true. Many if not most people who have chronic halitosis have immaculate care. They've been afflicted for so long and spent so much time trying to find a cure.