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 addictiveness similar to that of heroin or cocaine. In 1984 he wrote that nicotine could be as addictive as heroin or cocaine. In 1984, he claimed nicotine is similar to heroin or cocaine. He stated in 1984 that nicotine was addictive. He claimed it to be similar to heroin or cocaine. In 1984, he wrote that nicotine was about as addictive as heroin or cocaine. In 1984 he wrote nicotine is as addictive as heroin or cocaine. In 1984, he wrote that nicotine was as addictive as heroin or cocaine. Tobacco: In 1984 he wrote that nicotine is as addictive as that of heroin or cocaine. In 1984, he wrote that nicotine is as addictive as heroin or cocaine. Tobacco: In 1984, he wrote that nicotine had an addictive effect similar to that of heroin or cocaine.