How do I know if I have a substance use disorder?
Your Addiction Expert is hosted by Dr. Deni Carise, Chief Science Officer at Recovery Centers of America and Adjunct Clinical Assistant Professor at University of Pennsylvania Perelman School of Medicine.


Marianne T. Ritchie, MD was one of the first female gastroenterologists practicing in the Philadelphia area. An advocate for over 30 years, Dr. Ritchie developed the
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