Does Dietary Saturated Fat Increase Blood Cholesterol? An Informal Review of Observational Studies

by Stephan Guyenet

The diet-heart hypothesis states three things:

Dietary saturated fat increases blood cholesterol
Elevated blood cholesterol increases the risk of having a heart attack
Therefore, dietary saturated fat increases the risk of having a heart attack

To evaluate the second contention, investigators have examined the relationship between blood cholesterol and heart attack risk. Many studies including MRFIT […]