Recent data revealed Afghan opium production has increased dramatically . NATO says this should be treated with caution as country has been over - producing . Taliban suspected of stockpiling large quantities of opium ` ` as illegal '' U.S. has warned of growing link between Taliban and the drug trade .
Recent study revealed Afghan opium production has dropped dramatically . U.N. says this should be treated with caution as country has been over-producing . Taliban suspected of stockpiling large amounts of opium `` as credit '' U.S. has warned of growing link between Taliban and the drug trade .