Fen-Phen hit the market in the early 1990's proclaiming to be the world's leading diet pill for patients who were struggling to lose unwanted weight. Somewhere between six million and seven million people took the miracle drug and for many of them, Fen-Phen provided their weight loss miracle at a terrible price.

Fen-Phen wasn't recalled until 1997 and, since Fen-Phen's destruction on the heart takes years to become a reality, in some cases more than ten, Fen-Phen has been linked to an exorbitant number of cases of the heart condition known as primary pulmonary hypertension.