Which are very common in the western civilization due to our unhealthy lifestyle. In fact, we are poorly nourished because our daily meal does not contain all the required elements for our body. Cancer is not only linked to unhealthy food but also to nutritional deficiencies, which affects our nervous, endocrine and immune system. Food deficiencies can modify hormone secretion and the normal levels of amino acids which can change the DNA instructions and cell reproduction. Food such as white sugar, soft drinks, industrial produced bakery, junk and fried food, bacon and cured food, and all kind of processed food are good examples of food with poor nutritional value, highly level of calories and with a great content of toxins which can damage our considerably our health creating serious physiological imbalances in the long run. Eliminating this type of food from our diet is a wise decision to prevent many illnesses and keep us healthy.