Has fast food become worse for our health in the past 30 years?

Researchers warn that, despite some efforts from fast-food chains to improve their menus, what they offer is probably more harmful to health than ever.

Portion sizes, nutrient content of fast food remain ‘relatively consistent’ since 1996

From an analysis of three national fast-food chains between 1996-2013, researchers find there has been little change in portion sizes and nutrient content of popular menu items.