A guy has been studying the diets of the oldest people in the world for years and is clear about what a good breakfast is.

Dan “Longevity” Buettner is a controversial guy. He was the one who popularized the idea that five specific regions (Sardinia, Okinawa, Icaria, Nicoya and Loma Linda) had two things in common: a very high longevity and a diet with particular characteristics. Over time, the idea of ​​blue zones has been harshly criticized and rightly so. However, studying what people over a hundred years old were like, what habits they had and how they ate, has given us very interesting reflections. The importance of breakfast is one of them. We already know that breakfast is not the most important meal of the day. Although, of course, that doesn’t mean we can neglect it. Therefore, in a recent videoBuettner has given some recommendations. “The breakfasts of people who live longer do not include sugary cereals or greasy bacon,” he explained. On the contrary, the best breakfasts can be defined by three characteristics: it’s salty, it’s simple, and it’s rich in fiber. And it makes sense. For example, the evidence supporting fiber consumption. A diet with between 25 and 29 grams of fiber per day is associated with a reduced risk of cardiovascular disease, type 2 diabetes and even “all-cause mortality.” This is especially recommended in Spain where dietary surveys show the majority of the population below the recommendations. Something similar happens with “simplicity.” It’s not that more elaborate breakfasts are problematic per se. The fact is that the current rhythms of life make it easier for us not to complicate our lives and the “quick breakfasts” that the market offers are usually accumulate very high amounts of sugar (and salt). If we do not find simple and healthy alternatives, the drift will lead us to worse solutions from a nutritional point of view. Just the kind of things that “shorten” our lives. And then? Buttner makes some suggestions, of course: things like beans with rice, bread with avocado or even minestrone. That is, except perhaps the avocado (and thanks to the millennials), all the options are proposals that are somewhat far away from us – culturally speaking. However, breakfasts with legumes, whole grains and vegetables are not impossible. On the contrary, there are things “very much ours”, like tomato toast, that with a little care, would work as a scandal. What is clear is that, beyond Buttner, the available nutritional evidence is clear: we have to abandon cookies, cereals and other sweet breakfasts and adopt cheap, satiating and fiber-rich options. It doesn’t matter if it’s avocado and hummus or tomato, bread and olive oil. The important thing, as always, is to be more aware of what we eat. Image | Leti Kugler | Mae Mu In Xataka | Eating late in the morning is a bad idea. Now science knows better why

Low salt diets were our ally to control blood pressure. We had been overlooking the importance of banana

Sodium and potassium are two key elements for the functioning of our body, one sometimes interconnected to the point of serving one as a counterweight of the other. The excess sodium that we associate with high blood pressure leads many to control their salt consumption. On the other hand, if there is a food that we associate with potassium this is banana. Although not the only remarkable one. Less salt … or more bananas. A study based on mathematical models He has found Tests that increasing potassium consumption can be even more effective than reducing sodium consumption when our goal is to regulate our blood pressure. This can help us increase the dietary options of people at risk of cardiovascular diseases. “Usually, when we have high blood pressure, we are recommended to eat less salt,” Explain in a press release Anita Layton, co -author of the study. “Our research suggests that adding more foods rich in potassium to your diet, such as bananas or broccoli, can have a greater positive impact on your blood pressure than just cut the sodium.” Electrolytes Both sodium and potassium function and electrolytes In our body, that is, substances that help our body conduct electrical signals, but that also fulfill other functions such as regulating the amount of water in our body or the level of acidity in the blood. Calcium, magnesium or phosphorus are other elements that enter this category. The sodium Specifically, it plays an important role in maintaining the volume of the blood fluid under control. Under normal conditions, if our body detects an excess of sodium or an excess volume in the extracellular medium, it reacts excreting sodium to return to normal. The lack of potassium is has related with greater difficulty in controlling the risks derived from sodium in our body. A mathematical model. The connection is well described in the scientific literature but the complexity of the biological mechanisms involved makes it difficult to estimate the magnitude of this connection between sodium, potassium and blood pressure. To estimate it, a team of researchers from the University of Waterloo, in Canada, has created a mathematical model that allows you to quantify this connection. The new model managed to identify how the potassium to sodium ratio consumed affects the body. The model takes into account aspects that affect this relationship such as sex or age. The team observed, for example, that, although men are more easily in an increase in blood pressure, they also respond to a greater extent to the increase in the proportion between potassium and sodium. The details of the study were published In an article In the magazine American Journal of Physiology-Renal Physiology. Evolutionary question. As explained by the team responsible for the study, evolution has been able to have a great impact on how these elements affect us. They point out that, during the recent evolutionary history of the human being, the presence of fruits and vegetables in our diet has been high, so it is natural that the regulatory systems of our body depend in such a degree of nutrients that these give us. Contemporary Western diets are, however high in sodium and low potassium. This could explain, they point out, why blood pressure problems are so prevalent in industrialized countries. Not only bananas. We usually associate potassium to bananas but these are not the only foods that this nutrient contributes. Among the foods that They stand out for their contribution in potassium They are vegetables such as spinach, tomatoes, avocados and brocoli; legumes such as beans, lentils and soy; The potatoes. Among the products of animal origin are some dairy products, and fish such as phatan, salmon and Verdel. In Xataka | Banana must die (and only science can resurrect it) Image | Pixabay

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