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
In a new study, "hypersexual" brains don't respond to sexual images the same way that drug addicts' brains respond to images of drugs.
Scientists still aren't sure why brain training only works for some people.
A brain-building diet menu
Dash of trivia, pinch of wit: a new compendium.
Does red wine make you live longer? Do bras cause cancer? Is sugar as addictive as cocaine and heroin? We uncover what headline-grabbing scientific studies really mean for your health
The incredible Mr. Limpet
Now that recreational marijuana is legal in two states, lawmakers and law enforcement have to grapple with how best to deal with cannabis-impaired drivers.
We unearth the latest research that definitely, positively proves what you knew alreadyâ€”and tell you why it matters
Or at least keep your teeth cavity-free. A growing chorus of medical researchers say our bacteria-killing zealotry is misguided. Instead of fighting bugs, they argue, we should train them to do our bidding and then set them loose in our bodies. The trouble is keeping them there
A childhood without affection can be devastating, even if basic needs are met.
We may have more in common with invertebrates than we thought.
Neuroscience: A Swedish study links mobile phones to brain damage. In rats, anyway.
Related: Can cats get high on marijuana?
People in the control group always realize they're just playing Tetris for hours.
PopSci tackles life's whys, hows and who-dunnits in this Q&A-style; feature
The most promising new treatment for severe depression isn't a pill. It's a permanent implant that shocks the brain. Is this what joy looks like?
5 reasons to enjoy your ham and cheese sandwich
Snake Venom Reflects More Than 100 Million Years of Evolution
This is your brain on stress
Three myths your teachers told you about how your brain learns, debunked
The psychology behind your love of twists and turns.
Will too many hot chili peppers kill you? Is the moon on the verge of erupting? PopSci tackles life's whys, hows and who-dunnits in this Q&A-style; feature
Looking to boost your science smarts? First test your IQ organ, then follow our 6-point brain regimen. Soon you'll be crunching bogus claims and citing stats with the best.
Amidst a growing body of evidence tying severe health problems to multiple concussions, researchers are tapping NFL stars for a more hands-on corroboration
You don't need a spider bite for better tactile detection.
Scientists share their favorite stories.
The ability to reprogram the immune system is one of the most sought-after goals in medicine. Now researchers are closer than ever to pulling it off in patients with Type 1 diabetes, one of whom happens to be our correspondent
The biology of having just one more slice of pie
Sewage is more than just filth. It's evidence of our worst habits, everything from caffeine to cocaine, all ingested and flushed down the toilet. Now scientists are using wastewater to drug-test entire cities, and the results are sobering
A personal experiment with the love hormone
These gene-slicers may help tackle HIV, Alzheimer's, and brain cancer.
Players love the tech, but pro and amateur organizations can hardly keep up with the new materials and radical designs that have rewired and sometimes hot-wired sports.
The most advanced eye on Earth gives its owner a fighting chance
Researchers used fMRI scans to spot the placebo effect at work in specific spinal cord cells
We look into the mathematics of alternative medicine.
Your brain makes you unconsciously like caloric foods even if they're not delicious, study finds.
Maybe! Although you certainly wouldn't want to count on it.
A new study examines the weird ways cocaine changes people's metabolisms.
Catch a glimpse
It might seem silly to investigate whether people are happier on the weekend, but behind such truisms are revelations about our brains, our behavior and our environment. Here we round up the year's most outwardly obvious scientific studies
PopSci learns, over the decades, that cocaine anesthesia, radioactive drinking water, and cryogenic cancer treatments are actually not good for your health
In his book The Most Human Human, Brian Christian looks at the artificial intelligences we've built, and what they say about us
Researchers are plugging in smokers, alcoholics, and even crack addicts to expose them to a relapse environment--and teach them how to deal with it. Will it work?
Snow White totally could have happened
Your favorite tunes activate the same brain systems that opioid drugs do
A researcher explains how to control your subconscious.
Forget lab coats and beakers: in this gallery of breathtaking images, we celebrate the visually pleasing side of scientific enquiry
Sometimes our biggest fear is not knowing what to fear most. Fortunately, the weird science of risk analysis can teach us to judge better and fear smarter
Tips for more restful slumber, decoding how we dream and just a dash of pseudoscience
From arsenic to Prozac to the passage of the Pure Food and Drug Act.
Reservoirs of HIV hide deep within the body. Scientists are now closing in on methods to wipe them out.
Meet the extraordinary scientists whose innovations are bringing us robot cars, new cures and vaccines, the fastest-ever computer animations, and much, much more
A pioneering gene treatment for Parkinson's disease ignites fury -- and hope.
A group of neuroscientists are using new technology to understand how the brain performs under the influence of drugs
The case again the material mounts as new research about its hazards to human health appears
Everything you need to know about the hottest topic in
medicine, from big-league breakthroughs and new therapies to emerging health risks and the patients willing to take them
Bill Andrews has spent two decades unlocking the molecular mechanisms of aging. His mission: to extend the human life span to 150 years--or die trying
In honor of Jenny McCarthy's new seat at "The View"
A new study explores the surprising cognitive effects of contraception
Despite numerous challenges to the theory, it remains foundational
From the archives: things you're afraid to ask about digestion.
Or why some of us do, anyway.
How a radical new implant that zaps patients back to life is upending our understanding of the brain
Synthetic marijuana has been shown to get people good and high. But this is not your parents' weed.