It’s junk food for thought — and we’re hoping to change it — In our new book, “How to Eat: Your Food and Diet Questions Answered,” David Katz and I answer what we hope are the most pressing questions about diet that confront many readers. …

Short answer: It depends — When I was writing for the Opinion section of the Times, I had a number of close advisors. On nutrition matters, I came to rely more and more heavily on David Katz. …

We’re not saying ‘don’t eat sugar.’ We’re saying ‘don’t eat a lot of sugar.’ — When I was writing for the Opinion section of the Times, I had a number of close advisors. On nutrition matters, I came to rely more and more heavily on David Katz. …

Why isn’t this clear already? — When I was writing for the Opinion section of the Times, I had a number of close advisors. On nutrition matters, I came to rely more and more heavily on David Katz. …

Take this quiz to find out more — Let’s begin with some statements: Choose true or false. Only meat and other animal foods contain “complete” protein. The average American gets less protein than he or she needs. Vegan diets are deficient in protein quantity, quality, or both. You should be sure to eat plenty of protein at every…

Why don’t we get it? — There’s no such thing as a superfood. Sorry. That’s a stone-cold opener, right up there with a denunciation of the Easter bunny. But they’re roughly equivalent: Mythical. There are many foods with terrific nutritional profiles: rich in valuable nutrients, free from nutritional liabilities, and either low in calories or notably…