Although the photographs did show twins with a difference in sun exposure, a study involving the perceived age differences between identical twins did not say that one of these twins smoked and the ...

A study comparing the faces of identical twins confirms what many smokers fear – the habit does prematurely age a person’s skin, taking a serious toll on looks even after just five years. Researchers ...

A New York doctor has spent years looking at the effects of sun exposure, smoking and stress on aging by studying twin patients. The study found that these things will have a detrimental effect on the ...

Photographs authentically show twins, one of whom smoked and tanned for 16 years while the other did not. Rating: ...