Original sentence: It is mainly a recreational drug in the countries which grow khat, though it may also be used by farmers and laborers for reducing physical fatigue, and by drivers and students for improving attention.Khat has not been approved for medical use in the United States, though emigrants have now brought the khat habit to the U.Others compare it to the legal stimulant caffeine.The khat plant is known by a variety of names, such as qat in Yemen, tschat in Ethiopia, and miraa in Kenya.While some contend that khat may help these religious and ethnic groups preserve their identity in their new environments, law enforcement agencies in the U.generally view its use in the same light as that of the other psychomotor stimulants, amphetamine, methamphetamine, and cocaine
Edited sentence: Even though khat may help these religious and cultural groups preserve their ethnic identity in their new environments, outsiders and law enforcement agencies in the US generally see its use in the same light as those of the other psychomotor stimulants, amphetamine, methamphetamine, and cocaine; but not like the US's sanctioned stimulant caffeine.It is mainly a recreational drug in the countries which grow khat, even though it may also be used by farmers and laborers for reducing physical fatigue, and by drivers and students for improving attention.Khat has not been approved for medical use in the United States, though emigrants have now brought the khat habit to the US.The khat plant is known by a variety of names, such as qat in Yemen; tschat in Ethiopia, and miraa in Kenya