Washington: Postmenopausal women`s verbal learning and memory improved after they were treated with testosterone gel, a new study has found.Principal investigator Susan Davis, MBBS (MD), PhD, of Monash University, Melbourne, Australia, said that this was the first large, placebo-controlled study of the effects of testosterone on mental skills in postmenopausal women who are not on estrogen therapy.In the investigator-initiated study, the Australian researchers randomly assigned 92 healthy postmenopausal women, ages 55 to 65, who were not receiving estrogen therapy, to receive one of two treatments for 26 weeks.The treatments were a testosterone gel (LibiGel, BioSante Pharmaceuticals) applied daily to the upper arm, or a placebo, an identical-appearing gel containing none of the medication.
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