The gut microbiota is believed to play a significant role in psychological and gastrointestinal symptoms in heroin addicts. However. the underlying mechanism remains largely unknown. We show here that heroin addicts had a decrease in body mass index (BMI) and abnormal serum D-lactic acid (DLA). https://www.bekindtopets.com/quick-buy-Titans-Pets-First-Reversible-Dog-Bandana-deal-zone/