One of the foods researchers measured was a standard beef hot dog on a bun. Its 61 grams of processed meat resulted in the loss of 27 minutes of healthy life, Jolliet said — but when ingredients like sodium and trans fatty acids were factored in, the final value was 36 minutes lost.
Consumption of foods such as nuts, legumes, seafood, fruits and non-starchy vegetables, d'altra parte, have positive effects on health, lo studio ha trovato.
The index looks at foods that increase or decrease life expectancy, but it’s not as easy as trying to cancel out detrimental food choices with more beneficial ones, Jolliet said.
“The index is primarily there to help aid in selecting and using calories consumed on a daily basis to tweak a minimum of habits and make the minimum of change to obtain a maximum benefit for health and the environment from our food experience,” Jolliet said.
The point is to choose better foods, not to spend time doing the math, Egli ha detto.
“Is it the ultimate metric that will tell you exactly what to eat tomorrow and entirely determine your life expectancy? No,” Egli ha detto. “It is a useful metric that can help you make more informed choices and makes it simpler to identify and make adequate small changes in our diet.”
It’s also not as easy as calculating what food to eat in order to live to be 100, said Marion Nestle, a professor of nutrition and public health at New York University. She told CNN the numbers may not be entirely reliable.
“Changing a diet to include or exclude any one food is unlikely to make much difference — it’s dietary (and lifestyle) patterns that count,” lei disse. “I suppose you could argue that the minutes add up, but that gets into further untested and untestable assumptions.”