We live in times of food porn or food pornography, says nutritionist Mónica Katz. The calories contained in giant plates or containers have contributed to the obesity epidemic, she says.

We are scheduled to finish the entire package and for more or less 40 years the portions offered by the market have seen gargantuan increases. Katz: "We are in an obesity pandemic and no one regulates portions. Everyone tries to sell you big. Restaurants that serve gigantic portions are consolidating our natural inclination to finish what we start"