Truck driver's startling one-sided sun damage - the argument for wearing sun protection as proven by the truck driver whose face aged 20 years faster on his window side.To anyone who's ever questioned the power of sun protection cream to slow down ageing, there isn't a more graphic example than this image of the truck driver from Chicago whose face was a staggering 20 years older on one side than the other.Bill McElligott had been driving his milk delivery truck for 28 years, without sun protection. And closed windows or not (UVA, the longer rays responsible skin's ageing, can penetrate through glass) the damage was done - all 20 added years of wrinkling and thickening.