original: tobacco : in 1984 he wrote that nicotine has an addictiveness similar to that of heroin or cocaine .
simplifications: in 1984 he wrote that nicotine has an addiction similar to that of heroin or cocaine . in 1984 he wrote that nicotine has an addictiveness similar to that of cocaine . tobacco : in 1984 , he wrote that nicotine has an addictiveness similar to that of heroin or cocaine . tobacco : in 1984 he wrote that nicotine has an addictiveness similar to that of medical substance taking away pain or cocaine . in 1984 nicotine had additives similar to heroin and cocain . tobacco : in 1984 he wrote that nicotine is as addictive as heroin or cocaine . tobacco : in 1984 he wrote that nicotine is habit-forming much like heroin or cocaine . in 1984 it was wrote that nicotine is as similar to heroine or cocaine in their addictiveness .