Finasteride was originally developed by the pharmaceutical company Merck as a drug (Proscar) to treat enlarged prostate glands. During the trials on men with prostate problems, researchers noted an intriguing side effect: hair growth.
Rison Info. Rison, Arkansas is located in Cleveland County. Zip codes in Rison, AR include 71665. The median home price in Rison is $22 which is roughly $22/per square foot. More Rison information.
Citizens petitioned for a change of name and in 1885 it was renamed Cleveland County in honor of Grover Cleveland, who had just been elected president of the United States. The county seat is Rison. Timber is the leading industry in the county.