yes it is best known as a feline euphoric but it is a wild plant.tea made from leaves and flowering tops as a folk remedy for bronchitis,colds,diarrhea,fevers,chicken pox,colic,headaches,irregular menses;said to induce sleep,promote sweating ,alleviate restlessness in children.Nepetalactone ,a mild sedative compound in catnip also possesses herbicidal and insect repellent properties the reason cats react to it tthe way they do is result of an inherited autosomal dominant gene,that effect is not experianced in humans lol and that gene is absent in about 1/3 of all cats