Fig 5. Effect of nightly oral dose of 50 mg DHEA on androgen levels (testosterone, dihydrotestosterone, and androstenedione in men and women), compared with placebo. Note the significant increases in androgen levels in women and the lack of effect on these levels in men.
Catnip, in large enough quantities, will also work as an attractant for large cats like lions and tigers. Europeans in the 1400s regularly drank teas made from catnip, with the herb earning a medicinal application for treatment of colic and flatulence.
1 The catnip plant triggers chemicals in a cat's brain that lead to euphoria or laziness. 2  Catnip is easy to grow from seed after the last hard frost of the season.  Catnip also can be used for tea -- its nepetalactone produces sedative-like affects in humans.