America’s Other Drug Problem

"[Blockbuster drugs] have one thing in common besides their high sales: they are usually treatments for very common lifelong conditions.
"The conditions are not so serious that they are lethal, but they do not go away either. Sometimes they are little more than annoyances, like hay fever.
"Consequently, large numbers of people may take drugs for these conditions for years, and that is why the markets are so large."