Key Takeaways

• Substance use disorder (SUD) is a chronic but treatable medical condition involving brain changes that make stopping difficult despite harmful consequences.
• Biological vulnerability, environmental stressors, early exposure, and co-occurring mental health conditions all contribute to the development of SUD.
• Symptoms include cravings, tolerance, withdrawal, and continued use despite strained relationships or declining health.
• Effective treatment often combines behavioral therapy, medication-assisted treatment, peer support, and long-term follow-up care.
• Reducing stigma and promoting early intervention improves access to care and supports long-term recovery outcomes.

Alan Jewett is a Certified Peer Recovery Specialist and US Army veteran based in Hermitage, Tennessee. After nearly four decades in aviation, including service as a standardized instructor pilot in the US Army and as a helicopter air ambulance pilot in the civilian sector, Alan Jewett transitioned into the substance use disorder recovery field in 2023. He has served with FirstHand Cares in community outreach roles supporting individuals with serious mental illness and addiction disorders, and later as a Continuing Care Coordinator at JourneyPure at The River.

In these positions, he has helped individuals access benefits, coordinate care, and develop recovery oriented goals. His professional shift reflects a commitment to understanding substance use disorder and supporting individuals navigating recovery.

Understanding Substance Use Disorder and the Path to Recovery

Clinicians often describe substance use disorder in clinical language, yet its impact extends far beyond medical terminology. It involves a pattern of alcohol, prescription medication, or illicit drug use that leads to significant impairment or distress, defined primarily by the inability to reduce or stop use despite harmful consequences. The condition often develops gradually, sometimes progressing quietly before disrupting daily responsibilities and relationships.

At the biological level, substance use disorder involves changes in how the brain functions. Many substances trigger the brain’s reward system, causing pleasure or relief, and the brain adjusts with repeated exposure. Because cravings increase and rewarding activities lose their attraction, willpower alone is sometimes insufficient. These neurological changes reshape brain circuitry to reinforce usage.

No single cause explains why one person develops a substance use disorder while another does not. Genetics can increase vulnerability, and family history sometimes plays a role. Early exposure to substances, especially during adolescence, raises risk because the brain is still developing. Environmental stressors such as trauma, unstable housing, or social pressure also contribute. In many cases, several of these factors overlap, creating conditions in which substance use becomes more likely to escalate.

Mental health conditions, such as depression, anxiety, and PTSD, frequently intersect with substance use disorder. Some individuals begin using substances to manage emotional distress, yet over time, the substance use can intensify those same symptoms. Each condition can reinforce the other, creating a cycle that becomes increasingly difficult to interrupt. Addressing both concerns simultaneously often leads to more stable and lasting outcomes.

The signs of substance use disorder extend beyond frequency of use. Persistent cravings can undermine attempts to cut back, and individuals may continue using despite strained relationships, declining work performance, or worsening health. As tolerance develops, individuals often require larger amounts to achieve the same effect, and they may experience withdrawal symptoms such as irritability, nausea, or restlessness when they reduce use. These patterns reflect the body and brain’s adaptation to the substance.

Different substances produce different physical consequences. Chronic alcohol abuse can damage the liver and increase the risk of cardiovascular disease. At the same time, opioids restrict breathing and increase the risk of lethal overdose. Stimulants alter cardiac rhythm and elevate blood pressure. Communities experience greater healthcare demands, lost productivity, and family stress, suggesting that the disease affects both personal and public health.

Treatment approaches reflect the understanding that substance use disorder is a chronic but treatable condition. Behavioral therapies help identify triggers, improve coping, and establish recovery-sustaining routines. Drugs for opioid and alcohol use disorders lessen cravings and withdrawal symptoms, boosting treatment engagement. Counseling, peer support, and medical follow-up improve long-term stability, even though rehabilitation rarely goes smoothly.

Early identification can make a meaningful difference. Healthcare providers increasingly use screening methods to identify problematic substance use patterns before they increase, and stress, coping, and mental health conversations can provide early intervention. Evidence-based treatment and overdose prevention programs in the community reduce harm and move the focus from crisis response to prevention.

Public perception continues to shape how individuals experience substance use disorder. Stigma often deters people from seeking care, especially when others frame substance use as a moral failing rather than recognizing it as a medical condition involving changes in the brain. When communities use informed language and supportive policies, people feel safer seeking care without judgment.

A broader understanding of substance use disorder reveals it as part of a larger conversation about health, resilience, and community responsibility. Individual behavior initiates the disease, but biological vulnerability, contextual factors, and access to care accelerate it. This wider perspective shifts emphasis from blame to systemic support, judging success by reduced substance use, improved mental health care, and more stable social structures for all.

FAQs

What is substance use disorder?

Substance use disorder is a medical condition characterized by the inability to reduce or stop alcohol or drug use despite negative consequences. It involves changes in brain chemistry that reinforce cravings and make recovery more complex than simple willpower.

What causes substance use disorder?

No single factor causes SUD; genetics, trauma, early exposure, and environmental stress can all increase risk. Often, multiple factors overlap, creating circumstances where substance use escalates over time.

How does substance use disorder affect mental health?

Mental health conditions such as depression, anxiety, and PTSD frequently coexist with substance use disorder. Each condition can intensify the other, making integrated treatment essential for long-term stability.

What are common signs of substance use disorder?

Common signs include persistent cravings, increased tolerance, withdrawal symptoms, and continued use despite harm to relationships, work, or physical health. These patterns reflect how the brain and body adapt to repeated substance exposure.

Is recovery from substance use disorder possible?

Yes, recovery is possible with comprehensive and sustained support. Treatment often includes therapy, medication when appropriate, peer recovery services, and ongoing care to help individuals build stable and healthy lives.

About Alan Jewett

Alan Jewett is a Certified Peer Recovery Specialist in Tennessee and a US Army veteran with a background in aviation spanning nearly four decades. He has worked as a community outreach guide with FirstHand Cares and as a Continuing Care Coordinator at JourneyPure at The River, supporting individuals navigating substance use and mental health challenges.

He holds a bachelor of science in professional aeronautics from Embry Riddle Aeronautical University and volunteers in his local community.