[Preview] Dietary fat and cardiovascular disease

[Preview] Dietary fat and cardiovascular disease

Before the science was really figured out
by the scientific community, in 1961 the American Heart Association
embraced the Diet Heart hypothesis and adopted a low-fat diet
to fight heart disease. And that eventually led
to the first dietary recommendations which emphasized that people should eat
a whopping 6 to 11 servings of grains per day and advised people to eat less fat. so less meat, less dairy,
less nuts, stuff like that. And so this was introduced
in the late 70s, early 80s, and you could see here the macronutrient shift in both men
and women in the US, both sexes consume more carbohydrate and less total fat, less saturated fat
and less protein. So clearly people did follow
the dietary recommendations and started eating more carbohydrates. We know that this coincided
with higher rates of obesity and higher rates of diabetes
which tripled over the next 20 to 25 years coinciding with the new
dietary recommendations. Now what are
the current dietary guidelines? So this is the recap. So currently WHO and other organizations
generally recommend higher carb diets. So for instance WHO recommends
55% to 75% of energy from carbs. That’s a high amount of carbohydrate.

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