Kale! Seaweed! Goji berries! When you hear about a food that curbs this disease or that condition, you might want to dive right in. If some is good, more must be better, right? Not so fast. The right amount of the right types of foods is great for you. But if you overdo it or choose the wrong kinds, it can backfire. Since every good-for-you-food has its limits, focus on the big picture.
2.Too Many Brazil Nuts
Too much selenium can cause problems including diarrhea, nausea, skin rashes, hair loss, and even serious effects like trouble breathing, heart and kidney failure, and heart attacks. Adults shouldn’t get more than 400 mcg per day. That’s no more than four or five Brazil nuts, if you don’t get selenium from anything else.