“In life, the dichotomy between ‘good’ and ‘bad’ is usually very blurred. When it comes to food, trying to decide whether something is ‘healthy’ or ‘unhealthy’, is even harder. Red meat, for example, is linked to disease – so is it unhealthy? But it is also a good source of iron and protein, so it is healthy? Cake is full of sugar and fat, but then again, the butter and flour also contain vitamins and calcium.
“They are sources of calories, and calories cause us to gain weight, but they are also sources of nutrition.
“It’s all very confusing!
“But there is one item on our supermarket shelves, which contains nothing but calories. No nutrients, nothing helpful and nothing required for a healthy life.
“Soft drink, or soda.”
