It’s seems like the science changes every few years.
Eggs are bad.
Wait, they’re good!
Bacon will kill you.
But kale will save you!
Coconut oil will solve every nutritional deficiency you have.
Orrrr, maybe not.
Does anyone really know?
Summed up nicely in this humorous video featuring a time traveling dietician.
Which is also why sticking with a simple system like the 5 Habits will eliminate much of the confusion no matter what nutrition fad is floating around.