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A NEW YORK TIMES BESTSELLER

From a renowned behavioral neuroscientist and recovering addict, a rare page-turning work of science that draws on personal insights to reveal how drugs work, the dangerous hold they can take on the brain, and the surprising way to combat today's epidemic of addiction.

Judith Grisel was a daily drug user and college dropout when she began to consider that her addiction might have a cure, one that she herself could perhaps discover by studying the brain. Now, after twenty-five years as a neuroscientist, she shares what she and other scientists have learned about addiction, enriched by captivating glimpses of her personal journey.
In Never Enough , Grisel reveals the unfortunate bottom line of all regular drug use: there is no such thing as a free lunch. All drugs act on the brain in a way that diminishes their enjoyable effects and creates unpleasant ones with repeated use. Yet they have their appeal, and Grisel draws on anecdotes both comic and tragic from her own days of using as she limns the science behind the love of various drugs, from marijuana to alcohol, opiates to psychedelics, speed to spice.
With more than one in five people over the age of fourteen addicted, drug abuse has been called the most formidable health problem worldwide, and Grisel delves with compassion into the science of this scourge. She points to what is different about the brains of addicts even before they first pick up a drink or drug, highlights the changes that take place in the brain and behavior as a result of chronic using, and shares the surprising hidden gifts of personality that addiction can expose. She describes what drove her to addiction, what helped her recover, and her belief that a "cure" for addiction will not be found in our individual brains but in the way we interact with our communities.
Set apart by its color, candor, and bell-clear writing, Never Enough is a revelatory look at the roles drugs play in all of our lives and offers crucial new insight into how we can solve the epidemic of abuse.

Excerpt provided by Syndetics

Excerpted from Never Enough Introduction I was twenty-two. I'd been on the good end of a bad drug deal. In the wee hours of some morning late in 1985, behind a nameless restaurant in South Florida, a dealer gave me and a friend the wrong bag. I was the "winner" in this deal with substantially more drug than I was obliged to pass on to a friend of a friend somewhere in the Midwest. Homeless at the time, my compatriot and I ended up checking into a cheap motel in Deerfield Beach. Predictably, we used the surplus along with what we owed. Toward the end of that binge, the stash mercifully depleted, both of us exhausted and on edge, my friend inexplicably announced that there would never be enough cocaine for us. While the prophecy struck me as true even in my overwhelmed state, I also knew it was irrelevant. As with every addict, my days of actually getting "high" were long past. My using was compulsive and aimed more at escaping reality than at getting off. I'd banged my head against the wall long enough to realize that nothing new was going to happen--except perhaps through the ultimate escape, death, which frankly didn't seem like that big a deal. About six months later, through a series of circumstances rather than personal insight or strength of character, I was clean and sober for the first time in years, and therefore not quite so numb. I saw that I had a life-or-death choice. I could continue colluding with my mental illness as it inexorably consumed me, or I could find a different way to live. In my experience, very few faced with those possibilities choose life, and I first went with the majority. The cost of abstinence seemed too high: Without drugs, what would there be to live for anyway? However, in a demonstration of tenacity almost diagnostic of an active addict, it dawned on me that I might be able to find another way. After all, I thought, I'd come through many tight situations: bad deals in condemned buildings or police stations, with or without loaded guns, and miles from anything friendly or familiar. Aware now for the first time of the medical model of addiction, I figured that my disease was a biological problem that could be solved. I decided to cure addiction so I could somehow eliminate the problems caused by using. With what may seem like exceptional fortitude to some, especially given that I'd been kicked out of three schools by this time, I went on to get a Ph.D. in behavioral neuroscience and to become an expert in the neurobiology, chemistry, and genetics of addictive behavior. This accomplishment would seem almost unremarkable to most addicts, who know firsthand that there is nothing we would not do, no sacrifice too great, to be able to use. It ultimately took seven years to graduate from college, including about a year of dramatic change starting in a treatment center, plus another seven years of graduate school to earn that degree. This book is a summary of what I have learned over the past twenty or so years as a researcher studying the neuroscience of addiction. Though I've received grants from the National Institutes of Health and possess a controlled-substance license from the Drug Enforcement Administration (DEA), I regret to say that I haven't solved the problem. I have, however, learned a lot about how people like me differ even before they pick up their first drug and about what addictive substances do to our brains. My hope is that sharing this information might help loved ones, caregivers, and crafters of public policy make more informed choices. Perhaps this understanding may even help the afflicted ones themselves, because it's quite clear to me that the solution isn't coming in a pill. *** Addiction today is epidemic and catastrophic. If we are not victims ourselves, we all know someone struggling with a merciless compulsion to remodel experience by altering brain function. The personal and social consequences of this widespread and relentless urge are almost too large to grasp. In the United States, about 16 percent of the population twelve and older meet criteria for a substance use disorder, and about a quarter of all deaths are attributed to excessive drug use. Each day, ten thousand people around the globe die as a result of substance abuse. Along this path to the grave is a breathtaking series of losses: of hope, dignity, relationships, money, generativity, family and societal structure, and community resources. Worldwide, addiction may be the most formidable health problem, affecting about one in every five people over the age of fourteen. In purely financial terms, it costs more than five times as much as AIDS and twice as much as cancer. In the United States, this means that close to 10 percent of all health-care expenditures go toward prevention, diagnosis, and treatment of people suffering from addictive diseases, and the statistics are similarly frightening in most other Western cultures. Despite all this money and effort, successful recovery is no more likely than it was fifty years ago. There are two primary reasons for the incredibly broad, deep, and persistent costs of drug addiction. First, excessive use is remarkably common, cutting across geographic, economic, ethnic, and gender lines with little variation. It is also highly resistant to treatment. Although reliable estimates are hard to come by, most experts agree that no more than 10 percent of substance abusers can manage to stay clean for any appreciable time. As far as illnesses go, this rate is almost singularly low: one has about twice as good a chance of surviving brain cancer. Despite a statistically bleak outlook, there are some reasons to be encouraged. Some addicts, once desperate cases, do get clean and stay clean, and even go on to live productive, happy lives. While neuroscience hasn't been able to thoroughly parse the mechanisms behind this transformation, we have learned quite a lot about the causes of the problem. We know, for instance, that addiction results from a complex web of factors including a genetic predisposition, developmental influences, and environmental input. I say complex because each of these factors is very dense. That is, hundreds of genes and innumerable environmental contributions are involved. The factors also depend on one another. For example, a particular strand of DNA may enhance a liability for addiction but only in the presence (or absence) of other specific genes and along with certain experiences during development (either pre- or postnatal) and in specific contexts. So, while we may know a lot, the complexity of the disease means that we are still unable to predict whether a particular individual will develop an addiction. While in the end there might be as many different paths to addiction as there are addicts, there are general principles of brain function that underlie all compulsive use. My aim in writing this book is to share these principles and thus shed light on the biological dead end that perpetuates substance use and abuse: namely, that there will never be enough drug, because the brain's capacity to learn and adapt is basically infinite. What was once a normal state punctuated by periods of high, inexorably transforms to a state of desperation that is only temporarily subdued by drug. Understanding the mechanisms behind every addict's experience makes it very clear that short of death or long-term sobriety there is no way to quell the screaming need between exposures. At the point where pathology determines behavior, most addicts die trying to satisfy an insatiable drive. *** My Story The first time I got drunk, at thirteen, I felt as Eve should have after tasting the apple. Or as a bird hatched in a cage would feel upon being unexpectedly set free. The drug provided physical relief and spiritual antidote for the persistent restlessness I'd been unable to identify or share. An abrupt shift of perspective coincident with guzzling half a gallon of wine in my friend's basement somehow made me feel sure that both life and I were going to be all right. Just as light is revealed by darkness, and joy by sorrow, alcohol provided powerful subconscious recognition of my desperate strivings for self-acceptance and existential purpose and my inability to negotiate a complex world of relationships, fears, and hopes. At the same time, it seemed to deliver, on a satin pillow, the key to all my blooming angst. Abruptly relieved from an existence both harsh and lackluster, I had finally discovered ease. Or perhaps that ease was more akin to anesthesia, but at the time and for several years after I not only couldn't tell the difference but didn't care. Until the moment alcohol first filled my belly and brain, I hadn't consciously recognized that I'd been just enduring, but that evening, as I leaned out the open window of my friend's bedroom, gazing at the stars, I took what felt like my first truly deep breaths. A plaque I later saw posted behind a bar described my first experience precisely: "Alcohol makes you feel like you're supposed to feel when you're not drinking alcohol." Among other things, I wondered why, if the drug can do this, didn't everyone drink more, and more often? So I began with enthusiasm, even determination. From the start, I consumed as much and as often as I could--literally through most of seventh grade, because school afforded the best opportunities for freedom from parental oversight in my suburban, middle-class world. Drinking before, during, and (when I could) after school, I seemed to possess an admirable innate tolerance. I was almost never sick or hungover--perhaps it was my youthful liver--and appeared presentable despite what would surely be deemed legal intoxication. Though I never achieved the overwhelming sense of wholeness that I experienced the first time, alcohol continued to confer muted contentment. Any altered state seemed a dramatic improvement over a drab and tedious life toeing the line. As far back as I can remember, I felt hemmed in, frustrated by imposed limits and my own limitations. Longing for other, for something else, is at the core of my experience of self. Even today, below the persona of nurturing friend, committed partner, determined scientist, and adoring parent is a heartbreaking desire to embrace oblivion. From what or to where I seek escape, I really can't say; I just know that the constraints of space, time, circumstances, obligations, choices (and missed opportunities) fill me with an overwhelming sense of desperation. In fact, my modal thought is that I'm squandering time, though I am quick to admit that I have no idea what to do with myself. Like in a dream, time flows by as I futilely pursue a series of inane tasks, all the while suppressing a growing sense of panic. I fantasize about disembarking at an unfamiliar exit, or pushing aside a broken gate into a foreign sanctum, somehow entering a world where we all at least agree not to pretend things are different than they seem. What is going on? What am I doing? Questions like these must have been among my first conscious thoughts. If I tried to speak them to anyone, I'm sure what I heard back were directives to "be good," "work hard," "smile," and "don't get caught." If others didn't share my horror, or at least consternation, I couldn't understand why not, because we were all subject to the same capricious laws of existence, the same evidence for irrational forces. If they did share it, I was amazed and repulsed by their willingness nonetheless to fritter away their lives acquiring things, planning parties, cleaning up, and checking the "news." Countless people have grappled with feelings of emptiness and despair, but I didn't know that then, and other than a few curious pieces of fiction or poetry, I don't recall a single acknowledgment of bewilderment in those around me until I was well into my teens. My first time getting drunk seemed to offer an easy way through the difficulty of growing up, and it was a long while before I had enough awareness to look back and wonder about the causes of my trajectory. In the end, the very effect I loved so much about alcohol--its ability to mute existential fears--utterly betrayed me. It didn't take all that long before the drug's most reliable effect was to ensure the alienation, despair, and emptiness that I sought to medicate. The chief of the National Institute on Alcohol Abuse and Alcoholism, George Koob, has said that there are two ways of becoming an alcoholic: either being born one or drinking a lot. Dr. Koob is not trying to be flip, and the high likelihood that one or the other of these applies to each of us helps explain why the disease is so prevalent. I agree that many who end up like me have a predisposition even before their first sip but also appreciate that enough exposure to any mind-altering drug will induce tolerance and dependence--hallmarks of addiction--in anyone with a nervous system. Unfortunately, though, no scientific model can yet explain my quick and brutal slide to homelessness, hopelessness, and utter desolation. Excerpted from Never Enough: The Neuroscience and Experience of Addiction by Judith Grisel All rights reserved by the original copyright owners. Excerpts are provided for display purposes only and may not be reproduced, reprinted or distributed without the written permission of the publisher.

Reviews provided by Syndetics

Library Journal Review

Addiction is a pervasive problem of epic proportions both globally and in the United States, resulting in enormous financial cost and loss of life. Behavioral neuroscientist Grisel (psychology, Bucknell Univ.), who initially entered the profession with the goal of finding a cure for drug addiction after spending a decade as a hard-core addict herself, writes in an accessible style about how myriad drugs act on the brain. Alongside the scientific explanation are Grisel's remarkably candid descriptions of the effects of substance abuse, written with firsthand insight. Factors contributing to addiction include a genetic predisposition, as well as developmental and environmental influences-but anyone who experiences repeated exposure to mind-altering drugs is likely to develop a tolerance and subsequent dependence. Grisel offers a clear explanation of the neurobiology behind this process. VERDICT With knowledge and compassion, Grisel's work straddles two worlds-that of scientists and former addicts, and is recommended for anyone interesting in furthering their understanding of addiction. [See Prepub Alert, 7/30/18.]-Ragan O'Malley, Saint Ann's Sch., Brooklyn © Copyright 2019. Library Journals LLC, a wholly owned subsidiary of Media Source, Inc. No redistribution permitted.

Publishers Weekly Review

Grisel, a behavioral neuroscientist and Bucknell psychology professor, examines the complexities of addiction in this personal account of a decade of substance abuse from age 13 until 23, when "I'd finally reached the dead end where I felt I was incapable of living either with or without mind-altering substances." Weaving anecdotes of her ordeal-some funny, others embarrassing-with basic brain science, she explains how drugs work, why some are more effective than others, and how addicts differ from nonaddicts. Lecturing on the dangers of drug use, she repeats over and over, "there can never be enough drug" because of the brain's ability to adapt. After six months in a treatment program-which she describes too briefly-she decides to become a neuroscientist and endures seven years of study while fighting off "cravings" for various drugs, until she can say, "My life had changed 180 degrees. Not only did I have a shiny new Ph.D., but I was able to look people in the eye." Critical of social customs where drinks are offered as congratulations, she bemoans sobriety as "lonely." Concluding that addiction is complicated, she offers some insight but unfortunately, if perhaps necessarily, leaves readers of her thoughtful book with no solutions to the many problems associated with addiction. (Feb.) © Copyright PWxyz, LLC. All rights reserved.

CHOICE Review

This is a book readers won't want to put down. Grisel (Bucknell Univ.) is a neuroscientist specializing in addiction research and a recovering addict herself; she intertwines personal experience and professional expertise to create a work that combines scientific research, history, and storytelling about addictive substances and the hopeful but troubled search for cures. It is not a comfortable read, between the blunt narrative and the realization that despite great advances in understanding the biological correlates of addiction, current attempts at "solving addiction" often fail in part due to society's misunderstanding of those suffering with it. Seven of the 11 chapters focus on the unique features of individual drug classes: THC, opiates, alcohol, tranquilizers, stimulants, psychedelics, and other abused drugs. Occasional images are scattered throughout the text to illustrate concepts, and a short notes section provides references. The writing style is conversational and accessible, as the inclusion of anecdotes eases readers into the scientific explanations of the various types of drugs and their mechanisms of action. A highly recommended read for those who want to gain insight into what it means to be an addict from someone who has experienced it personally and professionally. Summing Up: Highly recommended. All readers. --Carrie Leigh Iwema, University of Pittsburgh

Booklist Review

Many scientists write about addiction, but how many are former addicts? Psychology professor Grisel mixes coverage of brain research with the warts-and-all story of her addictions, beginning with alcohol in seventh grade and progressing to marijuana, LSD, cocaine, and IV drug use. She also reveals that she contracted hepatitis C from sharing needles. Fortunately, she gets treatment and manages to stay clean, earn a PhD in behavioral neuroscience, and embark on an academic career. Many of her drug-using buddies were not so lucky; some even died. Addiction remains a vexing problem, with about 16 percent of the population over the age of 12 meeting the criteria for a substance-abuse disorder and about a quarter of all deaths attributed to excessive drug use. Successful recovery is no more likely than it was fifty years ago, she writes. Sure, opioids are a scourge, but she notes that in 2016, alcohol killed twice as many people as prescription opioids and heroin overdoses combined. Grisel's conclusion: Instead of wringing our hands, we might try holding one another's. Powerful stuff.--Karen Springen Copyright 2019 Booklist

Kirkus Book Review

What is it about our brains that causes us to crave things that are bad for us, and why are we experiencing an epidemic of addiction? The answers are joinedand, this book suggests, not always obvious.Unusually among academic researchers, behavioral neuroscientist Grisel (Psychology/Bucknell Univ.) has had extensive experience with nearly every addictive substance imaginable; her account of her wayward early 20s, chasing one high after another, is harrowing. A lesson she learned early on provides the title: "there will never be enough drug, because the brain's capacity to learn and adapt is basically infinite." That is to say, feed the brain addictive substances, and that new normal yields an insatiable hunger for homeostasis. "The brain's response to a drug," writes the author, "is always to facilitate the opposite state; therefore, the only way for any regular user to feel normal is to take the drug." The neurobiology of addiction is imperfectly and incompletely known, she writes; there is certainly a genetic component, while brain structures shape and reshape depending on what is passing through them. For instance, if cocaine is a kind of laser hitting a certain point, marijuana is "a bucket of red paint" that touches many neural centers with its feel-goodness. As for alcohol, suffice it to say that the "primary inhibitory neurotransmitter in the brain" gets caught up in the process, which helps explain some of the stupider things people do when drunk. It also explains why in moderate doses, anxiety is quelled while in greater doses it is activated, going back to that homeostasis model. Grisel writes clearly and unsparingly about both her experiences and the science of addictiontobacco and caffeine figure in, as wellmaking plain that there is still much that remains unknown or mysterious about the brain's workings. In the end, she notes, much of our present culture, which shuns pain and favors avoidance, is made up of "tools of addiction."Illuminating reading for those seeking to understand the whos, hows, and wherefores of getting hooked. Copyright Kirkus Reviews, used with permission.