Yup, that's one for the government to control, as it is a non religious practice. Maraige is a religious practice, well, it has been until the United States thought they could change it.
As always- None of my statements are evaluated by the FDA.
My advice is not intended to diagnose, treat, cure or prevent any diseases unless prescribed by a health practitioner. All information is provided for educational purposes only and should not replace the advice of your medical doctor.
(but your medical doctor will probably end up killing you