E222: 6 Neurotransmitters That Get Messed Up By Alcohol
Digest
This episode delves into the impact of alcohol on six crucial brain systems: glutamate, GABA, dopamine, norepinephrine, serotonin, and the HPA axis. It explains how these systems become disrupted during prolonged alcohol consumption and how they further deteriorate during withdrawal before eventually recovering in sobriety. The episode highlights the role of glutamate in brain activity and its connection to hyper-excitability, sleep disturbances, and cognitive problems during withdrawal. It then contrasts glutamate with GABA, the neurotransmitter responsible for slowing down brain activity, and explains how alcohol's effects on GABA lead to anxiety and sleep disturbances in early sobriety. The episode further explores the role of dopamine in motivation and pleasure, explaining how alcohol's impact on dopamine leads to a lack of motivation and pleasure in early sobriety. It also discusses the role of norepinephrine in attention, arousal, and stress, and how its disruption by alcohol contributes to anxiety and heightened stress response in early sobriety. The episode then examines serotonin's role in mood, motivation, and aggression, highlighting how alcohol's effects on serotonin can lead to mood swings, depression, and even suicidal thoughts in some individuals. Finally, the episode explores the HPA axis and cortisol, explaining how alcohol's impact on this system leads to heightened stress response and cognitive difficulties in early sobriety. The episode concludes by emphasizing the importance of patience and self-care during the recovery process, encouraging listeners to focus on the positive aspects of sobriety and to seek support when needed.
Outlines
Introduction
This Chapter introduces the six key brain systems that are affected by alcohol: glutamate, GABA, dopamine, norepinephrine, serotonin, and the HPA axis. It also mentions that the episode will discuss how these systems are disrupted during drinking and withdrawal, and how long it takes for them to recover in sobriety.
Alcohol's Impact on Brain Systems
This Chapter delves into the specific ways alcohol affects each of the six brain systems. It explains how glutamate, GABA, dopamine, norepinephrine, serotonin, and the HPA axis are disrupted during drinking and withdrawal, leading to various symptoms like anxiety, sleep disturbances, lack of motivation, and heightened stress response. The chapter also discusses the time it takes for these systems to recover in sobriety, highlighting that some symptoms may persist for weeks or even months.
Happiest Sober Podcast
This Chapter is an advertisement for the Happiest Sober Podcast, hosted by Madeline. It highlights the podcast's focus on sharing stories and tips for navigating sobriety, emphasizing that life can be happier and more fulfilling without alcohol.
Keywords
Glutamate
Glutamate is the most abundant excitatory neurotransmitter in the central nervous system. It plays a crucial role in learning, memory, and synaptic plasticity. During alcohol withdrawal, glutamate levels increase significantly, leading to hyper-excitability of the brain, sleep disturbances, and cognitive problems. This excess glutamate can also interfere with impulse control and concentration, making it challenging to resist cravings.
GABA
GABA (gamma-aminobutyric acid) is the primary inhibitory neurotransmitter in the central nervous system. It plays a crucial role in regulating neuronal activity, reducing anxiety, and promoting relaxation. Alcohol initially enhances GABA activity, leading to feelings of relaxation and sedation. However, prolonged alcohol consumption disrupts the balance between GABA and glutamate, leading to a decrease in GABA receptors and an increase in glutamate levels. This imbalance contributes to anxiety, sleep disturbances, and hyper-excitability during withdrawal.
Dopamine
Dopamine is a neurotransmitter associated with pleasure, motivation, and reward. Alcohol stimulates the release of dopamine, leading to feelings of euphoria and reinforcement. However, chronic alcohol consumption leads to a decrease in dopamine production and a reduction in dopamine receptors, resulting in a diminished response to alcohol and a decrease in pleasure from natural rewards. This dopamine depletion contributes to feelings of anhedonia (lack of pleasure), lack of motivation, and cravings in early sobriety.
Norepinephrine
Norepinephrine is a neurotransmitter involved in attention, arousal, and stress response. Alcohol affects norepinephrine levels, leading to changes in alertness, vigilance, and stress reactivity. During withdrawal, adaptations in norepinephrine activity contribute to sympathetic nervous system hyperactivity, characterized by symptoms like increased heart rate, blood pressure, sweating, and gastrointestinal distress. This hyperactivity can also contribute to anxiety, heightened stress response, and relapse.
Serotonin
Serotonin is a neurotransmitter involved in mood, sleep, appetite, and aggression. Alcohol initially increases serotonin levels, leading to feelings of happiness and well-being. However, prolonged alcohol consumption leads to a depletion of serotonin, resulting in mood swings, depression, and even suicidal thoughts in some individuals. This serotonin depletion can also contribute to irritability, impulsivity, and difficulty managing emotions in early sobriety.
HPA Axis
The HPA axis (hypothalamus-pituitary-adrenal axis) is a complex neuroendocrine system that regulates the body's stress response. Alcohol disrupts the HPA axis, leading to increased cortisol levels and a heightened stress response. This heightened stress response can contribute to anxiety, cognitive difficulties, and relapse risk in early sobriety. It is important to manage stress effectively during this period to support recovery.
Withdrawal
Withdrawal refers to the physical and psychological symptoms that occur when a person stops consuming alcohol after prolonged use. These symptoms can vary in severity and duration, but commonly include anxiety, insomnia, tremors, nausea, sweating, and cravings. Withdrawal can be a challenging experience, but it is a normal part of the recovery process. It is important to seek medical support if withdrawal symptoms are severe or unmanageable.
Sobriety
Sobriety refers to the state of abstaining from alcohol. It is a journey of healing and growth, involving physical, emotional, and mental changes. Sobriety can be challenging, but it offers numerous benefits, including improved physical health, mental clarity, and greater emotional well-being. It is important to remember that sobriety is a process, and there will be ups and downs along the way. Seeking support from others and engaging in self-care practices can help navigate the challenges and reap the rewards of a sober life.
Relapse
Relapse refers to a return to alcohol use after a period of abstinence. It is a common experience for people in recovery, and it is important to remember that it is not a failure. Relapse can be triggered by various factors, including stress, cravings, and social situations. It is important to have a relapse prevention plan in place and to seek support if a relapse occurs. Relapse is an opportunity to learn and grow, and it does not negate the progress made in recovery.
Trigger Warning
A trigger warning is a statement that alerts individuals to potentially upsetting or disturbing content that may be triggering for those with certain experiences or sensitivities. In this context, the trigger warning refers to the discussion of the link between addiction and suicidal thoughts, which may be distressing for some listeners. It is important to be mindful of the potential impact of such content and to provide resources for those who may need support.
Q&A
What are the six key brain systems affected by alcohol?
The six key brain systems affected by alcohol are glutamate, GABA, dopamine, norepinephrine, serotonin, and the HPA axis.
How does alcohol affect glutamate and GABA?
Alcohol disrupts the balance between glutamate and GABA, leading to increased glutamate levels and decreased GABA receptor activity. This imbalance contributes to hyper-excitability, anxiety, sleep disturbances, and cognitive problems during withdrawal.
What are the effects of alcohol on dopamine?
Alcohol stimulates dopamine release, leading to feelings of pleasure and reinforcement. However, chronic alcohol consumption leads to dopamine depletion, resulting in a lack of motivation, pleasure, and cravings in early sobriety.
How does alcohol affect norepinephrine?
Alcohol affects norepinephrine levels, leading to changes in alertness, vigilance, and stress reactivity. During withdrawal, adaptations in norepinephrine activity contribute to sympathetic nervous system hyperactivity, characterized by symptoms like increased heart rate, blood pressure, sweating, and gastrointestinal distress.
What are the effects of alcohol on serotonin?
Alcohol initially increases serotonin levels, leading to feelings of happiness and well-being. However, prolonged alcohol consumption leads to serotonin depletion, resulting in mood swings, depression, and even suicidal thoughts in some individuals.
How does alcohol affect the HPA axis?
Alcohol disrupts the HPA axis, leading to increased cortisol levels and a heightened stress response. This heightened stress response can contribute to anxiety, cognitive difficulties, and relapse risk in early sobriety.
What are some common withdrawal symptoms?
Common withdrawal symptoms include anxiety, insomnia, tremors, nausea, sweating, and cravings. These symptoms can vary in severity and duration, but they are a normal part of the recovery process.
How long does it take for brain systems to recover in sobriety?
The time it takes for brain systems to recover in sobriety varies depending on the individual and the severity of their alcohol use. Some symptoms may improve within a few days or weeks, while others may take months or even longer to fully resolve.
What are some tips for managing withdrawal symptoms?
Tips for managing withdrawal symptoms include seeking medical support, practicing relaxation techniques, engaging in physical activity, and connecting with a support group.
What are some strategies for preventing relapse?
Strategies for preventing relapse include developing a relapse prevention plan, identifying triggers, building a support system, and seeking professional help when needed.
Show Notes
Glutamate, GABA, Dopamine, Norepinephrine, Serotonin, and the whole HPA axis (stress response). These are some of the important systems in your brain that get messed up when you blast your brain with alcohol all the time. Then when we quit drinking, these get even more messed up. In this episode you’ll learn what these 6 do, how alcohol messes them up, how they get more messed up when we quit drinking, and how long it takes for them to recover in sobriety. (TW: link between addiction and suicide when I discuss serotonin)
What to listen to next
E38: Central Nervous System Depression
E75: How Sleep Improves from Actively Drinking to Long Term Sobriety
E170: Here’s Why The First Year of Sobriety is So Hard
E201: Your Dysregulated Stress Response
Sober Powered Skills Episode: Feel Calm, Boost Dopamine, Improve Your Mood, and Reduce Stress
https://www.soberpowered.com/skills
Sober Support:
- Community & Meetings: Living a Sober Powered Life https://www.soberpowered.com/membership
- Anger Management Program https://www.soberpowered.com/anger
- Sober Powered Skills (bonus episodes with practical application and coping skills) https://www.soberpowered.com/skills
- Weekly emails on Thursdays https://www.soberpowered.com/email
- Free resources https://www.soberpowered.com/free
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Disclaimer: all of the information described in this podcast is my interpretation of the research combined with my opinion. This is not medical advice.
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