Two pairs of identical twins have revealed the stark impact smoking can have on your face and skin as a doctor breaks down ...

A pair of identical twins now look worlds apart after one took up smoking and the other didn't, with stark physical changes ...

Identical twins are usually impossible to tell apart but a study has discovered just how much smoking can change your appearance - with tell-tale signs ...

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 ...