From spoonfuls in our coffee to corn syrup in packaged foods and even natural sources like fruit, sugar is a huge part of our diet, and we're consuming more of it every year. This damaging habit not only makes us sick, overweight, and listless, it also ages us well beyond our years.

Now, in The Sugar Detox, acclaimed nutritionist Brooke Alpert and skincare guru Patricia Farris have combined their expertise to offer an easy plan to...