From here:

Parents should lose custody of children who suffer from life-threatening obesity, obesity specialists argue in a leading medical journal.

The opinion piece, published in the Journal of the American Medical Association Wednesday by Lindsey Murtagh of the Harvard School of Public Health and Dr. David Ludwig of the Children’s Hospital in Boston, said putting children with severe obesity in foster care would act in the best interest of the child.

“In severe instances of childhood obesity, removal from the home may be justifiable from a legal standpoint because of imminent health risks and the parents’ chronic failure to address medical problems,” the article said.

[….]

According to Statistics Canada, 17 per cent of children in Canada are overweight and nine per cent are obese.

Too late for some, I fear.