There has been an obesity increase in all western countries, including Norway. Here's the best source I have on Norway: https://www.fhi.no/nettpub/hin/levevane

There has been an obesity increase in all western countries, including Norway. Here's the best source I have on Norway: https://www.fhi.no/nettpub/hin/levevaner/overvekt-og-fedme/ https://www.fhi.no/nettpub/hin/levevaner/overvekt-og-fedme/ I wouldn't disregard it as a factor.