Yeah, sure. Show me even a 40 year old man and compare his hair and face to those when he was in his late teens or his twenties! Let's see how the flowing, bushy hair and great skin was retained!
Better yet, let's get a seventy year old, maybe even a former top athlete, to the court, pool, track, or field and see how he fares! Let's also see the tight physique maintained into senior citizenship!