When you think of an hourglass figure, do you think of old Hollywood stars like Marilyn Monroe, Jayne Mansfield and Lana Turner? That may be because nipped-in waists are a thing of the past. And it's not just because corsets aren't all the rage anymore: Women's waists have grown seven inches in the past 50 years, scientists say. We have booze and processed foods to thank. "Plus, fewer cars and labor-saving devices meant women were more active and burnt more calories in a day," says The Mirror . The article is followed by a diet you can try, but we're taking the why-fight-evolution approach! [Mirror]