So if you serve a whole chicken to your family like grandma did, you may be serving them 10 times as much fat than the days of yesteryear. That's a whole lotta fat, and big trouble for the waistline.

You know you are addicted to a food if despite knowing it is bad for you and despite wanting to change, you still keep eating it. Addiction means that a craving has more control over your behavior than you do.

We've all seen chicken portrayed as the low-fat, heart-healthy alternative to red meat for years, but it no longer adds up. You might want to lean away from eating birds and lean toward more plant-based options of protein like black beans, lentils, tofu, chickpeas and whole grains.

Here's the secret to weight loss: It's all about crowding out, not cutting out.

I missed a tuna-fish sandwich with mayo on toasted wheat bread more than anything. Six months after I went vegan, I snuck into a deli and took one home. And, of course, it wasn't nearly as good as I fantasized. It tasted, well, fishy.

...you need not do and be everything.

Animal agriculture takes up an incredible 70% of all agricultural land, and a whopping 30% of the land surface of the planet. As a result, farmed animals are probably the biggest cause of slashing and burning the world's forests.