That isn't the critical part of the sentence, which is why you didn't spend any time mentioning it. Yes they were less obese, the issue was the more likely to

That isn't the critical part of the sentence, which is why you didn't spend any time mentioning it. Yes they were less obese, the issue was the more likely to be the opposite, malnutrition. I dispute they spent less time battling disease, but if they did, it's because they died quicker. Alzheimers is a disease of the old, and cancer tends to be also. So all you're left with is obesity and the closely correlated diabetes.