Viagra

Guilt, when dispensed in the circumstances Morris occupied, is the anti-Viagra.

For the rest of the world, however, the lasting impact of Viagra has been, simply put, laughter.

Call it tragic, call it comic, or call it both: The most enduring legacy of Viagra might be erectile dysfunction jokes.

But the end of Viagra as we know it signals more than just a change in the tides for Big Pharma.

And with sildenafil citrate going generic in three years, Pfizer will soon lose sole ownership over the Viagra formula.