It's unclear whether or not they help people quit real cigarettes.
The treatment is now ready for human trials.
It certainly looks that way if you hang around beer people.
By denaturing nicotine before it reaches the heart and brain, a new vaccine could mute the addictiveness of tobacco products
Scientists discover the drug may help dementia patients retain memory for as many as six additional months
A new understanding of brain chemistry could usher in an age of biologically enhanced humans
It's not that bad.
From our archive: a reporter's LSD trip, a guide to getting high during Prohibition, and more
Neuroscience: How nicotine rewires your noggin.
Fifty years ago, the U.S. surgeon general first declared that smoking tobacco causes lung cancer. Popular Science readers could have known that was coming.
Your cellphone does not in itself cause cancer. But in the daily sea of radiation we all travel, there may be subtler dangers at work, and science is only just beginning to understand how they can come to affect people like Per Segerbäck so intensely
A new way to get sick and annoy passersby
Obesity is booming, yet there are only two medications approved for long-term weight loss. Why is it so hard to make a diet pill that works? For one thing, evolution hates diets
But the long-term effects of prolonged cellphone use require further study—and will spark fresh controversy
Don't worry, it doesn't hurt!
Is pure MDMA "absolutely" safe, as a Canadian health official claimed last year?
Society has been fighting the plague of addictions without knowing how drugs, cigarettes, and alcohol hot-wire the brain's pleasure response. Now researchers may be closing in on a magic bullet.
This week's Newsweek proclaims that "Heaven Is Real"--a neurologist concludes it after a near-death experience. But how much do we know about those experiences?
Far out, man
A man-made, pure-white compound called Oxycyte carries oxygen 50 times as effectively as our own blood. Researchers are betting that itâ€™s the best way to treat Americaâ€™s leading cause of accidental death: traumatic brain injury