Are we swaying to the snake charmer’s tune?

Cigarettes might have been a blockbuster treatment for ulcerative colitis if they were After the 20-year patent ran out, prescription rates would have been buoyed by randomized control trials showing that cigarettes treat a host of previously unrecognized ailments. Then products containing only one enantiomer of nicotine would obligingly be given the nod by guideline writers in response to newer trials. It would take decades to overturn the vigorously defended argument that lung cancer was caused by the underlying illnesses and not by cigarettes.