/authors/alessandro-villa-dds-phd-mph/feed/atom<![CDATA[天博体育 Posts by Alessandro Villa, DDS, PhD, MPH Feed]]>/img/logos/hhp-logo-mark-lg.jpg173144天博体育 Blog: You'll find posts from Harvard Medical School physicians and our editors on a variety of health news and issues.2019-01-21T00:00:00-05:00<![CDATA[Bad breath: What causes it and what to do about it]]>/blog/bad-breath-what-causes-it-and-what-to-do-about-it-20190121158032019-01-21T00:00:00-05:00