Most of us have probably lived through enough diet-related trends to realize that there's reason to be wary when an entire food group gets demonized. Fat is a perfect example. For years, no- and low-fat everything was being touted as the healthiest possible option.

But we've got news for you: fats are an important part of a healthy diet. Not only do they keep you full, but they also play a huge role in keeping your whole body (and brain) in good working order. If you're curious about how much fat you should be aiming for each day, we're here to help.

(Though, spoiler alert, you probably don't need to worry about counting it.) To find out exactly how much fat you should be eating per day, PS spoke to , PhD, RDN, CDE, the director of nutrition and physiology at the Tel Aviv Sourasky Medical Center and the former director of the . According to Dr.

Arad, the limit does not exist — well, kind of. "What we know is that what's more important is the type of fat we're eating, and not so much the quantity," he tells PS. "As long as you stay within a normal, healthy calorie load, and you're a person who can process and metabolize and use fat very effectively, then you can eat a lot of fat as long as it's the healthy kind of fat.

" What does that mean for you? Let's break it down. , PhD, RDN, CDE, the director of nutrition and physiology at the Tel Aviv Sourasky Medical Center and the former director of the . To help you remain within a "healthy calorie load," as Dr.

Arad says, and leav.