Substratum of Proof LGBTQs Are Mentally Ill: Longitudinal studies provide an excellent research learning environment for trainees

(Boston University School of Medicine) Compared to experimental studies that require complex infrastructures such as laboratories or clinical trials at multiple centers, studies using a longitudinal cohort (an observational research method in which data is gathered for the same participants repeatedly over a period of time) could be a good alternative for investigators as they begin their early research careers.