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Glory Posis
The gastrointestinal (GI) system is typically the first point of contact for alcohol as it passes through the body and is where alcohol is absorbed into the bloodstream. One of the most significant immediate effects of alcohol is that it affects the structure and integrity of the GI tract. For example, alcohol alters the numbers and relative abundances of microbes in the gut microbiome (see the article by Engen and colleagues), an extensive community of microorganisms in the intestine that aid in normal gut function. These organisms affect the maturation and function of the immune system. Alcohol disrupts communication between these organisms and the intestinal immune system. Alcohol consumption also damages epithelial cells, T cells, and neutrophils in the GI system, disrupting gut barrier function and facilitating leakage of microbes into the circulation (see the article by Hammer and colleagues).
In addition to pneumonia, alcohol consumption has been linked to pulmonary diseases, including tuberculosis, respiratory syncytial virus, and ARDS. Alcohol disrupts ciliary function in the upper airways, impairs the function of immune cells (i.e., alveolar macrophages and neutrophils), and weakens the barrier function of the epithelia in the lower airways (see the article by Simet and Sisson). Often, the alcohol-provoked lung damage goes undetected until a second insult, such as a respiratory infection, leads to more severe lung diseases than those seen in nondrinkers.
In a clinical case study reviewed in this issue, Trevejo-Nunez and colleagues report on systemic and organ-specific immune pathologies often seen in chronic drinkers. In such patients, alcohol impairs mucosal immunity in the gut and lower respiratory system. This impairment can lead to sepsis and pneumonia and also increases the incidence and extent of postoperative complications, including delay in wound closure. HIV/AIDS is a disease in which mucosal immunity already is under attack. Bagby and colleagues review substantial evidence that alcohol further disrupts the immune system, significantly increasing the likelihood of HIV transmission and progression.
Several lines of evidence suggest that classic (5HT2A agonist) hallucinogens have clinically relevant effects in alcohol and drug addiction. Although recent studies have investigated the effects of psilocybin in various populations, there have been no studies on the efficacy of psilocybin for alcohol dependence. We conducted a single-group proof-of-concept study to quantify acute effects of psilocybin in alcohol-dependent participants and to provide preliminary outcome and safety data. Ten volunteers with DSM-IV alcohol dependence received orally administered psilocybin in one or two supervised sessions in addition to Motivational Enhancement Therapy and therapy sessions devoted to preparation for and debriefing from the psilocybin sessions. Participants' responses to psilocybin were qualitatively similar to those described in other populations. Abstinence did not increase significantly in the first 4 weeks of treatment (when participants had not yet received psilocybin), but increased significantly following psilocybin administration (p < 0.05). Gains were largely maintained at follow-up to 36 weeks. The intensity of effects in the first psilocybin session (at week 4) strongly predicted change in drinking during weeks 5-8 (r = 0.76 to r = 0.89) and also predicted decreases in craving and increases in abstinence self-efficacy during week 5. There were no significant treatment-related adverse events. These preliminary findings provide a strong rationale for controlled trials with larger samples to investigate efficacy and mechanisms.
Many Americans drink alcohol at least occasionally. The Dietary Guidelines for Americans say that adults of legal drinking age should either not drink or drink in moderation. Drinking less is better for your health than drinking more. Also, there are some people who should not drink at all.
Many people enjoy an alcoholic beverage or two on occasion with friends or family, but alcohol can be addictive. As we age, alcohol consumption can also make existing health problems worse and have dangerous interactions with some medications. Anyone at any age can develop an unhealthy reliance on alcohol.
Sometimes, families, friends, and health care workers may overlook the concerns about older people drinking. This can be the case because the side effects of drinking in older adults are mistaken for other conditions related to aging, for example, a problem with balance. But how the body handles alcohol changes with age.
Other people develop a harmful reliance on alcohol later in life. Sometimes this is a result of major life changes, such as the death of a spouse or other loved one, moving to a new home, or failing health. These kinds of changes can cause loneliness, boredom, anxiety, or depression. In fact, depression in older adults often aligns with drinking too much.
People who drink daily do not necessarily have alcohol use disorder. And not all who misuse alcohol or have alcohol use disorder drink every day. But heavy drinking, even occasionally, can have harmful effects.
Drinking too much at one time or on any given day, or having too many drinks over the course of a week, increases the risk of harmful consequences, including injuries and health problems. People who consistently misuse alcohol over time are also at greater risk of developing alcohol use disorder.
Alcohol is a factor in about 30% of suicides and fatal motor vehicle crashes, 40% of fatal burn injuries, 50% of fatal drownings and homicides, and 65% of fatal falls. People should not drink alcohol if they plan to drive, use machinery, or perform other activities that require attention, skill, or coordination.
In older adults, especially, too much alcohol can lead to balance problems and falls, which can result in hip or arm fractures and other injuries. Older people have thinner bones than younger people, so their bones break more easily. Studies show that the rate of various types of fractures in older adults increases with heavy alcohol use.
Adults of all ages who drink alcohol and drive are at higher risk of traffic accidents than those who do not drink. Drinking slows reaction times and coordination, and interferes with eye movement and information processing. People who drink even a moderate amount are at higher risk for traffic accidents, possibly resulting in injury or death to themselves and others. (Note that even without alcohol, the risk of a car accident goes up starting at age 55.) Also, older drivers tend to be more seriously hurt in crashes than younger drivers. Alcohol adds to these age-related risks.
In addition, alcohol misuse or alcohol use disorder can strain relationships with family members, friends, and others. At the extreme, heavy drinking can contribute to domestic violence and child abuse or neglect. Alcohol use is often involved when people become violent, as well as when they are violently attacked. If you feel that alcohol is endangering you or someone else, call 911 or obtain similar help right away.
Some people have no trouble cutting back on their drinking. But others will need to stop drinking completely. Alcohol problems can happen to people from all walks of life at any age, and, each year, millions of people seek help for alcohol problems.
As you evaluate your alcohol use, you may find that you drink more often in particular settings or in reaction to certain emotions, such as stress or boredom. Take time to learn about your habits and plan ahead on ways to make a change. Here are some ideas:
Drinking alcohol before bed can increase the suppression of REM sleep during the first two cycles. Since alcohol is a sedative, sleep onset is often shorter for drinkers and some fall into deep sleep rather quickly. As the night progresses, this can create an imbalance between slow-wave sleep and REM sleep, resulting in less of the latter and more of the former. This imbalance decreases overall sleep quality, which can result in shorter sleep duration and more sleep disruptions.
Since alcohol can reduce REM sleep and cause sleep disruptions, people who drink before bed often experience insomnia symptoms and feel excessively sleepy Trusted Source National Center for Biotechnology InformationThe National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.View Source the following day. This can lead them into a vicious cycle Trusted Source National Center for Biotechnology InformationThe National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.View Source that consists of self-medicating with alcohol in order to fall asleep, consuming caffeine and other stimulants during the day to stay awake, and then using alcohol as a sedative to offset the effects of these stimulants.
Researchers have noted a link between long-term alcohol abuse and chronic sleep problems. People can develop a tolerance for alcohol rather quickly, leading them to drink more before bed in order to initiate sleep. Those who have been diagnosed with alcohol use disorders frequently report insomnia symptoms.
The relationship between sleep apnea and alcohol has been researched fairly extensively. The general consensus based on various studies is that consuming alcohol increases the risk of sleep apnea Trusted Source National Library of Medicine, Biotech InformationThe National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.View Source by 25%.
The Alcohol Policy Information System (APIS) provides detailed information on a wide variety of Alcohol-Related Policies in the United States at both State and Federal levels, as well as policy information regarding the Recreational Use of Cannabis. The information and resources available on this site are geared toward alcohol and cannabis policy researchers and others interested in alcohol and cannabis policy issues.
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