Lisa C. Cohn, R.D., is a regular contributor to "Chew on This," a biweekly nutrition column on MSNBC.com. Lisa is president of Park Avenue Nutrition Spa in New York City.
With over 20 years of experience in nutrition research and training, she specializes in weight management, family nutrition, heart health and nutrition for beauty and longevity.
Lisa makes frequent appearances on local and national television shows and in the print media.
