'Teen Mom 2' Leah Messer weight loss, parenting fails freak out fans: What's up?

 Leah Messer is freaking out a lot folks. The "Teen Mom 2" star didn't make her daughter with muscular dystrophy use the doctor-ordered wheelchair, which upset Ali's dad, Corey Simms, who fears Messer is endangering their child. Leah Messer's scary weight loss has fans asking (again) about anorexia, depression, and/or prescription drug abuse.  'Teen Mom 2' Leah Messer weight loss, parenting fails freak out fans: What's up?