Calories
 Not all fats are created equal: A) Calories from simple carbohydrates like sugars and refined grains; B) Calories from monounsaturated fats, like the kind found in avocados and olive oil; or C) Calories from polyunsaturated fats, like the kind found in oily fish and nuts...
Not surprisingly, the first option (A) — replacing the calories from saturated fats with calories from simple carbs — was not linked with any health benefits that they could observe.
But the second (B) and third (C) options appeared to be connected with several healthy outcomes.
Overall, option B — swapping the calories from saturated fats with calories from monounsaturated fats — was linked with a 27% decrease in death of any kind, as well as lower rates of heart disease, cancer, and neurodegenerative disease.
And option C — replacing the calories from saturated fats with calories from oily fish and nuts — was linked with a 13% decrease in death from any kind, as well as a reduction in death from neurodegenerative diseases.
"Not all fats are created equal," Harvard nutrition professor Dr. Frank B. Hu, a lead author on the study, told the New York Times. In other words, some types of fats might be better for you than others. "We should eat more good ones from fish and avocados, instead of animal fats," said Hu. (See I Do Not Eat Dead Animals.)
This is in line with dozens of recent studies, which support the idea that healthy fats, like those from nuts, fish, and avocados, are good for us, so long as we eat them in moderation. So, add them back into your diet if you haven't already, and look to cut back on your intake of refined carbs and sugary snack foods instead.
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