Playboy Centerfolds Are Less Curvaceous - Thu Dec 19, 7:02 PM By EMMA ROSS, AP Medical Writer

LONDON - The curves of Playboy centerfold models have gradually flattened out over the last 50 years, giving way to a more androgynous look, European researchers suggest.

Analyzing every Playboy centerfold since the first one in 1953, they found the models' weight hadn't changed much over time, but busts and hips had diminished, while waists had become less tapered.

--Who said we would never need math...