Researchers at University of Chicago have found that a drug called ‘Naltrexone’, which is widely used in management of alcohol and heroin dependence, can help women to quit smoking. Smoking is a major cause for a number of diseases in humans. Researchers studied the effectiveness of this drug on 110 people who smoked nearly 15 to 40 cigarettes a day and who previously tried to quit smoking. Naltrexone was administered to half of the participants in the study and the rest of the participants were given a placebo.


Researchers found that about 58% of the women who took the drug were smoke- free after two months, while only 39% of the women, who took the placebo, were able to be smoke-free after two months. The study also showed that this drug was only effective in women and it had no effects on men, who were administered with this drug.

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