Sylvester Stallone credits a high-protein diet and weightlifting for his ripped body and 6-pack abs at age 70. (YouTube)

Sylvester Stallone, who just turned 70 in July, is in fantastic shape, thanks to a high-protein, low-carb diet and regular weight training workouts.

Stallone, who still keeps his body fat at 4% to 7%, continues ...Read More