Absolutely, too much cocaine is unhealthy. Absolutely, too much heroin is unhealthy. Absolutely, too much sodium, sugar, etc etc is unhealthy, and this absolutely not nonsense.<p>However, we can agree that there are many people who give diet-absolutes advice and are totally wrong.<p>But there is good advice out there too, and we shouldn&#x27;t close down assuming all advice is bad advice, just because some it is bad advice.