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Much controversy was generated by the 2013 ABC Catalyst documentary ‘Heart of the Matter’ in relation to cholesterol. The theme, as presented in the Catalyst Documentary, was that much of what we had previously understood about cholesterol and its role in causing cardiovascular disease was dysinformation. By ‘cardiovasculer disease’, we are referring to heart attack and stroke. As it turns out, much of Catalyst’s research was not as black and white as portrayed, and the independence of the ‘experts’ quoted by the program has been seriously questioned. Bias is always the enemy of objectivity. The rebutal came from many sources...

There is increasing controversy over the role of Vitamin D supplementation, lead by recently published research. Concerns relate to what really is the optimal level of Vitamin D in the body, and to the claimed outcomes from having such a level. Its generally agreed that Vitamin D supplementation is helpful for older patients at risk of falls, so as to decrease the risk of bone fracture in case of a fall. Other outcomes, such as claimed improved immunity, maybe spurious. For more information, refer to this article from The Age.