The Welsh NHS bill will “go through the roof” without regular PE in schools, Baroness Tanni Grey-Thompson has said.
Due to be introduced in 2022, the draft curriculum does not specify a set amount of physical activity every week.
The former Paralympic gold medallist, who sits in the House of Lords, said: “If time is not carved out to do it, it will just disappear.”
The Welsh Government said the curriculum “takes into consideration the importance of physical activity”.
The curriculum leaves it open for individual schools to decide on PE lessons.
Baroness Grey-Thompson said she was concerned they would disappear off the curriculum in some schools, causing problems for the NHS in 15 to 20 years’ time due to people being unfit.
“Because PE is difficult to teach, it’s