Unhurtful Thoughts: A Preoccupied Brain Produces Pain-Killing Compounds
Spinal scans reveal the mechanism by which intense thinking can block pain receptors in the nervous system
This Is Your Brain on Drugs
To the great surprise of many, psilocybin, a potent psychedelic, reduces brain activity
Why Polio Isn't Going Away
As the number of cases of the paralytic disease fall, world health officials have to grapple with a vexing problem: a component of the most widely used polio vaccine now causes more disease than the virus it is supposed to fight...
Erasing Painful Memories: Drug and Behavioral Therapies Will Help Us Forget Toxic Thoughts
The caustic imprint of a traumatic memory may fade or vanish with new drug and behavioral therapies
Return of the Clap
Gonorrhea, once a minor illness, is developing resistance to the last category of drugs that still works against it and could become untreatable
Readers Respond to "The Google Effect"--and More
Letters to the Editor about the January/February 2012 issue of Scientific American Mind
A look at some of the most promising medical devices now in development
Garlic Compound Fights Food-Borne Bacteria
Diallyl sulfide, a compound found in garlic, was much more effective than two standard antibiotics at wiping out bacteria responsible for digestive system infections. Sophie Bushwick reports...
How Do Painkillers Buffer against Social Rejection?
Jeannine Stamatakis, an instructor at various colleges in the San Francisco Bay Area, answers
Nanomaterials Offer Hope for Cerebral Palsy
Rabbits with brain injuries hop again after treatment--synthetic molecules affixed with an anti-inflammatory drug--crosses the blood brain barrier
May 2012 Briefing Memo
Depression in Teens Could Be Diagnosed with Blood Test
A blood test based on 11 genetic markers could make early-onset diagnosis easier and possibly relieve the stigma of depression
New Physics and Future Medicine
Ice Is Nice for Insect Bites
To relieve the annoying itch of insect bites, your best bet may be the simple application of ice to numb the bitten area and reduce inflammation. Cynthia Graber reports
Revealed: How Cold War Scientists Joined Forces to Conquer Polio
While the superpowers were busy threatening to destroy each other with nuclear weapons, Albert B. Sabin turned to a surprising ally to test his new oral polio vaccine—a Soviet scientist...
Mood Drug Can Both Cause and Relieve Anxiety
Hormone's opposite effects underscore the complexities of mood disorders
Chinese Medicine Herbs Found to Contain Ingredients Derived from Endangered Animals
Food and drug regulatory agencies might consideradopting sequencing techniques to screen herbal medicines for ingredientsthat are toxic or derived from vulnerable organisms, a geneticist says...
Fathomable Pharmaceuticals: Will Cameron's Voyage to the Bottom of the Sea Yield Breakthrough Drugs?
The moviemaker's expedition to the Mariana Trench could usher in a new type of undersea lab that extracts chemical compounds from microorganisms living in the deepest parts of the sea
Stem-Cell Rules Go Unheeded
An attempt by the Chinese health ministry to enforce a ban on the clinical use of unapproved stem-cell treatments has had little effect