The rich, well-educated benefit the most, study says
                                
                                
                                    (Newser) -
                                    Despite its  many purported advantages , the Mediterranean diet might not be all it's cracked up to be. According to a new study in the  International Journal of Epidemiology , its effects depend largely on socioeconomic status. Researchers surveyed 19,000 people ages 35 and over in Italy, giving each a...