An FDA advisory panel unanimously rejected what some had hoped would become the first drug approved to boost sexual desire in women.

Experts said the drug, widely dubbed "female Viagra," showed little evidence of working and raised safety concerns. If the FDA follows the recommendation of the advisory panel, it would send drugmakers back to the lab in their quest to come up with a drug that could be marketed to women with lower-than-desired libidos.

German drugmaker Boehringer Ingelheim had hoped to sell the drug, known as flibanserin,

A new study appears to have found another use for the drug Viagra other than for treating problems such as erectile dysfunction. Canadian researchers say Viagra may help patients suffering from Duchenne muscular dystrophy. Duchenne muscular dystrophy is a genetic disease that affects roughly one in 3,600 males and the first signs of the illness usually appear around age five.

It is a muscle-wasting illness which leads to muscle weakness, scoliosis, heart problems and obesity and few patients survive beyond age 25; heart failure is usually the cause of death. The researchers reached this