I’m learning to become more empathetic to people with naturally low metabolisms and thyroid issues. I know a young girl that went from being very slim to notice

I’m learning to become more empathetic to people with naturally low metabolisms and thyroid issues. I know a young girl that went from being very slim to noticeably overweight once she developed a thyroid issue. Feed two people a standard American diet and you could end up with substantially different weight outcomes.