Is salt really that bad for us? The advice that salt is bad for us and we should limit how much of it we should eat is on of the key public health messages today. The Ministry of Health, the Cancer Society, the New Zealand Nutrition Foundation and the New Zealand Stroke Foundation all give clear and unambiguous advice that eating too much salt can cause high blood pressure and increase the risk of heart disease, heart attacks, strokes, kidney disease, stomach cancer and osteoporosis. In the US the director for the Center of Disease Control (CDC) and prevention has gone so far as to say that reducing how much salt you eat is as important to your long term health as giving up smoking. But does this science behind all of these claims stack up? Gary Taubes, journalist and award winning of 'Why we get fat' (2011), and 'Good calories, Bad calories' (2007) doesn't think so. Listen to this fascinating interview below.