HealthDay News reports. The results of the surveys were published in JAMA Pediatrics."Although our analyses demonstrated that there has been a significant increase in the proportion of girls and boys that self-identified as gay, lesbian or bisexual, we cannot be certain if this represents a true increase of this magnitude, or if it reflects at least in part, greater comfort by teens with acknowledging a non-heterosexual identity on an anonymous questionnaire," said study coauthor Dr.