When completed (nine months after death) the exhibit will join more than 200 human plastinates of whole bodies, individual organs and transparent body slices — including lungs ravaged by tabacco, blackened tar and soot. Perhaps von Hagen has a point when he claims the greatest lesson of Body Worlds is the importance of good health. Some visitors have resolved to give up cigarettes or alcohol, eat more healthily and take up regular exercise, after the show.