For me, it is avocados. Everywhere you research, every health "expert" extols the virtues of avocados as a "healthy" fat food. That they're great for your skin, heart, eyes, cognitive abilities and so forth. I was eating quite a number of them. But I was really surprised to find that Peat says they are toxic.
Eh, you learn something new everyday!
Eh, you learn something new everyday!