Search results
Results from the WOW.Com Content Network
While rainbow diet pills were banned in the US in the late 1960s, they reappeared in South America and Europe in the 1980s. [38] In 1959, phentermine had been FDA approved and fenfluramine in 1973. In the early 1990s two studies found that a combination of the drugs was more effective than either on its own; fen-phen became popular in the ...