Few Studies Compare the Efficacy of Medical Treatments

The forward momentum of medical progress is manifest, it could be argued, in the $50 billion spent in 2008 on pharmaceutical research and development in the quest to bring new drugs to market. But little scientific or governmental infrastructure exists to ensure that each new treatment is actually an improvement over existing therapies--and to tease out what therapies are best for which patients. [More]

Read the whole article on Scientific American

More from Scientific American