I work with elite endurance athletes - Tour de France riders, World Class Triathletes, Marathon Runners etc. I can tell you they're one. not overweight 2. not dying from heart disease. Their bodyfat is usually five-8percent, they train up tp 25 - 30hrs per week, and blood profiles can sometimes show low inflammatory markers and normal immune markers. There are after all different factors that determine this such as nutrition clearly, recovery, periodization, genotype, inclusion of resistance/anaerobic coaching phases etc.

I notice those that dis” the whole plan of cardio exercise are those that have not actually experienced it and practiced it. I do agree, in terms of recommending forms of exercise to sedentary or obese folks, that resistance/HIIT coaching is superior. However, simply blanketing everyone with the same brush, in an exceedingly simliar manner to nutrition recommendations, is simply wrong.