Columbia University researchers are looking to interview people for a study on patient decisions about whether to remove the fallopian tubes when having a hysterectomy, tubal ligation, or other sterilization surgery. If you are a woman 30-49 years of age, speak English, and have had a hysterectomy (for non-cancer reasons),…
Bariatric surgery and a once-weekly glucagon-like peptide-1 medicine both cause major weight loss in teens, but their effects on mouth and gut bacteria and on damaged blood fats tied to metabolism are still unknown. This study will collect saliva, stool, and routine blood samples from adolescents before treatment and six…