There is a widespread misconception, mainly due to perverse agnogenic practices, that nutrition is hard and confusing, that we do not really know what to eat and that health professionals cannot agree.

Nutritional epidemiology currently studies the diet-disease relationships. In this review, we analyse the impact of diet on health and the importance of dietary factors in the prevention of non-communicable diseases.

Question sent by IRENE MAYOR SÁNCHEZ (La Vila Joiosa). DANIEL CLIMENT and ESTEVE SOLER answer: Tannins, complex substances inside the group of polyphenols that coagulate certain proteins, are responsible for the mouth feeling of roughness and dryness when eating persimmons. Mucins, proteins present in buccal mucosa,