Red meat, particularly processed red meat, may have adverse effects on heart disease and life expectancy, and saturated fat may not be the primary factor.

“And there may be, for example, in fact, there is evidence from epidemiology that red meat, particularly processed red meat, which contains saturated fat, may have adverse effects on heart disease as well as life itself, life expectancy, and other diseases, and it may not be the saturated fat that's the most important factor there.”