Dr. Jen Hartstein Explains Functional Firstborns
Dr. Jen Hartstein Explains Functional Firstborns – Learn what your birth order says about your health and personality. Watch Now
Dr. Jen Hartstein Explains Functional Firstborns – Learn what your birth order says about your health and personality. Watch Now
Dr. Jen Hartstein joins the Dr. Oz Show, as she explains that firstborns may have the highest risk for insulin resistance and why. Watch Now