The Dangerous, Unfounded Wellness Rebranding of Nicotine
This article is republished from The Conversation under a Creative Commons open-use license.
A deeply ironic trend running parallel to the modern "Make America Healthy Again" movement is the aggressive re-framing of nicotine as a legitimate wellness and performance-boosting product. Across social media feeds, popular health podcasts, alternative natural medicine communities, and even new health-focused tech startups, high-profile wellness personalities and influencers are presenting nicotine as a wildly misunderstood compound, whose public reputation has been entirely dragged down by its negative association with combustible cigarettes. In these spaces, nicotine is now widely lauded as an all-natural plant-derived product that can deliver benefits ranging from sharper daily focus to protection against age-related cognitive decline.
As a pulmonary physician-scientist whose core research focuses on nicotine addiction and the full spectrum of health harms linked to tobacco and alternative nicotine products, I find these unvetted viral claims deeply alarming.
Where this misleading rebranding originates
Two core talking points form the foundation of the pro-nicotine wellness movement. The first draws on the well-documented fact that nicotine is a naturally occurring plant alkaloid, present in high concentrations in tobacco, and found in tiny, trace amounts in common nightshade vegetables including tomatoes, potatoes, and eggplant. The second point relies on cherry-picked small-scale studies that note nicotine can interact with specific cognitive and neurological pathways in the brain.
But stretching these narrow, limited findings to make sweeping public claims about improved productivity, long-term brain health, longevity, or general wellness goes far beyond what the full body of peer-reviewed human research has ever confirmed.
Well-documented harms separate from cigarette smoke
It is widely established that the greatest public health risks of tobacco stem from burning it: combustion generates thousands of toxic byproducts including carcinogens, carbon monoxide, and fine particulate matter. Repeated exposure to these compounds drives lung cancer, chronic obstructive pulmonary disease, cardiovascular disease, and dozens of other smoking-linked life-threatening conditions.
The modern nicotine wellness trend intentionally centers on non-combustible products to distance itself from these harms: items like flavored nicotine pouches, or blended formulations that mix nicotine with other trendy "cognitive enhancers" such as high-dose caffeine and overhyped nootropics. But while many smoking-related diseases are directly caused by combustion byproducts, nicotine on its own carries well-documented negative effects on the brain and body:
It activates the body’s sympathetic "fight or flight" nervous system, raising resting heart rate, elevating blood pressure, and disrupting regular, restorative sleep. Frequent overactivation of this system places consistent extra strain on cardiac tissue over time.
Nicotine exposure carries outsized, permanent risks for children, teens, and pregnant people during critical windows of brain and fetal development.
Most notably, nicotine is one of the most powerfully addictive widely available consumer compounds. It activates the brain’s reward pathways by binding to receptors for acetylcholine, a key neurotransmitter that regulates attention, learning, and memory. Though it may create a short-term jolt of alertness, nicotine does not replicate natural, balanced acetylcholine signaling: its effects last far longer, and alter widespread activity across the entire brain. With repeated exposure, the brain adapts to nicotine’s presence, and existing receptors grow less responsive. To compensate, the brain grows a larger number of nicotine receptors, directly driving physical dependence. Activation of these receptors also triggers excess release of dopamine, the neurotransmitter that drives reward and reinforcement, locking in addictive behavioral patterns.
Debunking common pro-nicotine wellness myths
The most widespread claim promoted by wellness influencers is that nicotine acts as a reliable cognitive enhancer to improve focus and daily productivity. While a very small set of studies note that nicotine may produce minor temporary improvements to attention, vigilance, reaction time, and narrow categories of memory, these results are highly inconsistent. Any measurable small benefit that does appear in research is almost exclusively observed in people living with mild cognitive impairment. For otherwise neurotypical, healthy people, nicotine delivers no measurable cognitive boost at all, and can even worsen cognitive function in people who already have high baseline performance. Worse, the majority of these small studies run their tests on people who are already nicotine dependent: when regular users go through withdrawal, they experience irritability, anxiety, restlessness, and impaired attention, and reintroducing nicotine only reverses those withdrawal symptoms, rather than elevating performance above their normal baseline.
Many influencers also claim nicotine works as a stress-management and mood-boosting tool. While activating the brain’s reward pathways can create a temporary, fleeting sense of pleasure and calm, long-term regular nicotine users almost universally find that the substance makes chronic stress and anxiety much harder to manage. Consistent research confirms that people who quit nicotine entirely experience steady, sustained reductions in anxiety, depression, and daily stress, alongside measurable improvements in mood and overall quality of life over time: long-term nicotine cessation is reliably linked to better mental health outcomes, not regular nicotine use.
The most extreme claims from the pro-nicotine wellness movement assert that nicotine protects against Parkinson’s, Alzheimer’s, and other forms of age-related cognitive decline, or even slows biological aging to extend overall lifespan. While there are limited isolated lab studies that show nicotine can interact with cellular pathways tied to oxidative stress, and small animal studies that note effects on inflammation linked to aging and disease, none of these findings have translated to any evidence that nicotine promotes healthy aging, extends lifespan, or prevents age-related disease in human populations.
