Scientists reverse four decades of thinking about fat

The committee that advises the US government on the contents of national dietary guidelines has quietly removed restrictions on total fat consumption from its latest technical report.

This means the 2015 Dietary Guidelines for Americans  are unlikely to include an upper limit on fat, reversing nearly four decades of nutrition policy, write two researchers in a Viewpoint article published by JAMA.

The 2015 Dietary Guidelines Advisory Committee report states that reducing total fat does not lower cardiovascular disease risk. It calls for dietary advice to put the emphasis on optimising