The proliferation of myths about feeding works the same way as urban legends: a rumor starts going by word of mouth, distorts and ultimately emerge as a fact that we take as real. In the book "eat or not eat. Traps and feeding myths ", the Spanish journalist Antonio Ortà and nutrition specialists Ana Palencia and Raquel Bernacer exploit several erroneous beliefs.
According to the portal my Well-being, the authors explain, for example, what is the function of water in our diet and why it makes no sense to move property thinning or weight gain to its ingestion. Water has zero calories whether ingested at the beginning, during or at the end of the meal, although there are theories that say the opposite.
For example, there is a popular belief that water fattening if eaten during meals, as this causes fluid retention. Apparently, this hypothesis was followed at the end of 1950, with some people who lost weight during that time to affirm that, to not drink water while eating, watered only the lips on a damp cloth to decrease the sensation of thirst. However, drinking water does not cause fluid retention, on the contrary stimulates kidney function and contributes to a good water balance.
The calls also dissociated diets, which consist in following basic premise and fundamental one â€" do not mix food groups that are incompatible in the same meal, do not allow drinking water when they ingest carbohydrates since they consider that "hinders digestion" and which leads to the potatoes, bread, rice and other foods rich in carbohydrates do pointers of the scale up. But we must insist that the water does not increase the caloric value of any food, explain the authors of the book.
However, it is known that drinking water before a meal can fool the stomach and cause the person to eat less. A clinical trial published in 2010, who broke this hypothesis presented at American Chemical Society in Boston, found that those who drink two glasses of water to 230 milliliters before a meal consumes between 75 and 90 calories less during the meal.
While some authors recommend drinking a milliliter of water for each calorie consumed, others prefer to relate the calories with the weight and point to the 45 milliliters per kilogram in the case of adults and to higher values in the case of pregnant women and children. Normally, it is necessary to take between two and three liters per day, but that doesn't mean you have to drink two liters. The ideal is to drink between one litre and a litre and a half of water and meet the remaining need with the water that foods contain.
Foto:  Boyan Photography / Creative Commons
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