Study Says Brain Stimulation May Reduce Cannabis Use in MS

A recent NYU Langone Health study explored a new approach to addressing excessive cannabis use among patients diagnosed with multiple sclerosis. NYU Langone researchers involved in the study used a device from Soterix Medical for delivering stimulation, passing weak electrical currents through electrodes placed on the scalp to target specific brain regions. The research team investigated whether this noninvasive device, known as transcranial direct current stimulation, could help reduce cannabis addiction and improve overall patient outcomes. Conducted at a ranked NYU Langone institution recognized for its national reputation in clinical specialties and best patient outcomes, this pilot study compared outcomes between those who received active stimulation and those who participated in guided mindfulness meditation sessions. The initial study suggests this combination may help manage cravings and support recovery from drug and alcohol dependence, offering new hope for those affected by psychiatric and neurological disorders.

What Is Multiple Sclerosis?

Multiple Sclerosis (MS) is a chronic neurological disorder that affects the central nervous system, including the brain and spinal cord. It occurs when the immune system mistakenly attacks the protective myelin sheath surrounding nerve fibers, disrupting signals between the brain and body. This damage can lead to symptoms such as muscle weakness, fatigue, numbness, vision issues, and coordination problems. While there is no cure for MS, modern treatments can help manage symptoms, reduce relapses, and slow disease progression.

Brain Stimulation May Reduce Cannabis Use in MS Patients

A new study indicates that brain stimulation could significantly reduce cannabis use among individuals with Multiple Sclerosis (MS). Researchers discovered that noninvasive brain stimulation techniques, such as transcranial magnetic stimulation (TMS), may help regulate activity in brain areas linked to addiction, impulse control, and decision-making. This suggests that brain stimulation may help individuals with multiple sclerosis cut back on cannabis use. By influencing neural pathways tied to reward and craving, this therapy may reduce dependency behaviors and support healthier coping mechanisms. Brain stimulation has also been used to treat other psychiatric and neurological disorders, notably depression.

Many MS patients turn to cannabis for relief from chronic pain, muscle spasms, and sleep issues, but prolonged use can lead to dependence and cognitive decline. The study’s findings highlight how brain stimulation could become a valuable tool in managing both neurological symptoms and substance use patterns. The brain involved in the stimulation, particularly the prefrontal cortex, plays a key role in decision-making and emotional regulation related to cannabis use disorder. This research opens new possibilities for combining neuroscience-based interventions with addiction recovery and mental health treatment.

Cannabis Use Among MS Patients: Relief or Risk?

Cannabis is often used by people with Multiple Sclerosis (MS) to ease symptoms such as pain, muscle stiffness, and sleep difficulties. More than half of people with MS use cannabis for symptom relief. Some studies show that certain cannabis compounds, like THC and CBD, may help reduce muscle spasms and improve relaxation.

On average, cannabis use among MS patients varies, but studies suggest that the average cannabis use is higher in this group compared to the general population. However, regular or heavy cannabis use can also lead to dependency, cognitive decline, and emotional instability. While many MS patients turn to cannabis as a form of relief, overuse may interfere with memory, focus, and daily functioning.

Dependence can develop when the brain begins to rely on cannabis to manage discomfort or stress. Some MS patients may develop cannabis use disorder after prolonged use, and certain risk factors can lead individuals to develop cannabis problems. Understanding both the benefits and potential risks is important for patients and healthcare providers seeking balanced symptom management without long-term harm.

Study Overview and Key Findings

Researchers conducted the study using noninvasive brain stimulation, specifically transcranial magnetic stimulation (TMS), to examine its effects on cannabis use among individuals with Multiple Sclerosis (MS). The device delivers weak electrical currents to targeted brain regions responsible for reward, motivation, and impulse control. Participants included MS patients who reported frequent cannabis use for symptom relief. The study measured average cannabis use before and after the intervention, tracking consumption of various cannabis products.

Results showed a measurable decrease in cannabis use and self-reported cravings after consistent TMS sessions combined with guided online mindfulness meditation. Participants also experienced improvements in mood and focus, suggesting broader cognitive benefits. These findings indicate that brain stimulation may help reduce dependency by restoring normal brain activity patterns disrupted by long-term cannabis use. Researchers emphasized that while results are promising, larger studies are needed to confirm these effects and refine treatment protocols.

What Is Brain Stimulation Therapy?

Brain stimulation therapy is a medical approach that uses targeted electrical or magnetic energy to influence specific areas of the brain. One common method, transcranial magnetic stimulation (TMS), delivers magnetic pulses to stimulate nerve cells involved in mood, motivation, and self-control. This helps regulate brain activity and improve mental function without the need for surgery or medication. Originally developed to treat depression and anxiety, brain stimulation has gained attention for its potential in managing addiction and neurological disorders like Multiple Sclerosis (MS). By modifying brain circuits linked to cravings and reward, it may reduce substance use and support healthier behavioral responses. Researchers from the NYU Grossman School of Medicine found that brain stimulation may benefit patients with both multiple sclerosis and other conditions, most notably depression.

Benefits for MS Patients Beyond Addiction

Brain stimulation therapy may offer benefits for MS patients that extend beyond reducing cannabis use. Research suggests it can improve cognitive clarity, reduce fatigue, and enhance mood by restoring balance in disrupted neural networks. Many participants also report better focus, emotional stability, and sleep quality after consistent sessions.

For individuals living with MS, these effects can improve daily functioning and overall quality of life. Brain stimulation may also help manage symptoms such as chronic pain and muscle stiffness, providing a non-drug option that complements existing medical treatments.

How Does Cannabis Affect the Brain and Body?

Cannabis interacts with the endocannabinoid system, mainly CB1 receptors in the brain and CB2 in immune cells. THC alters dopamine and GABA signaling, affecting memory, attention, mood, and motor control. CBD may reduce inflammation and anxiety but can also interact with medications. Short-term effects can include pain relief, muscle relaxation, and improved sleep. Risks include slowed reaction time, short-term memory issues, dizziness, and increased heart rate. In MS, these effects may help symptoms yet impair balance, cognition, and safety.

Study Limitations and Future Research

Current findings come from small samples, short follow-up, and self-reported cannabis use. MS subtypes, medication regimens, and cannabis potency vary, which can confound results. Sham-controlled, blinded trials with objective biomarkers and longer follow-up are needed.

Future research should compare stimulation protocols, dosing schedules, and targets. Studies should track relapse, cognition, mood, and functioning over time. Combining brain stimulation with therapy and digital craving tools may improve outcomes.

Mental Health Issues Common in MS Patients

• Major depressive disorder

   

• Generalized anxiety disorder

   

• Panic disorder

   

• Social anxiety disorder

   

• Adjustment disorder

   

• Post-traumatic stress disorder

   

• Substance use disorders (including cannabis and alcohol)

   

• Sleep disorders (insomnia, restless sleep)

   

• Cognitive impairment (memory, processing speed, attention)

   

• Fatigue-related mood symptoms

Prevalence of Cannabis Use Among MS Patients

Cannabis use among people with MS is higher than in the general population, driven by pain, spasticity, and sleep issues. Prevalence varies by region, legalization status, and access to medical cannabis programs. Higher symptom burden, younger age, and prior substance use are linked to greater use, with inhaled and oral forms most common.

Effects and Risks of Cannabis Use (with MS)

Short-Term Effects:

• Temporary relief from pain and muscle spasms

   

• Reduced inflammation and improved sleep

   

• Slowed reaction time and impaired coordination

   

• Short-term memory problems

   

• Increased heart rate and dizziness

   

Long-Term Risks:

• Cognitive decline and reduced focus

   

• Dependency or cannabis use disorder

   

• Worsened fatigue and motivation issues

   

• Mood changes, including anxiety or depression

   

• Impaired decision-making and emotional regulation

   

• Possible interference with MS medications and treatments

Addiction and Neurological Health Connection in MS

Addiction and neurological health are closely linked, especially for people with Multiple Sclerosis (MS). Chronic substance use can worsen existing neurological symptoms and interfere with the brain’s ability to repair damaged nerve pathways. Substances such as cannabis, alcohol, opioids, and prescription medications are commonly used among MS patients to manage pain, fatigue, or emotional distress—but prolonged use may lead to dependency and cognitive impairment.

Studies show that frequent cannabis use can impair memory and concentration, while alcohol and opioids may slow coordination and increase the risk of falls or brain fog. These substances can also intensify mood swings and reduce treatment effectiveness. For MS patients, protecting neurological health means recognizing how addiction alters brain chemistry and seeking early support to prevent further cognitive decline.

When Cannabis Use Becomes a Concern and Managing Withdrawal Safely

Cannabis use becomes a concern when it shifts from symptom relief to dependency, often marked by cravings, irritability, or loss of control over use. MS patients who rely heavily on cannabis to cope with pain, fatigue, or emotional distress may notice worsening cognitive function, mood swings, or sleep problems when not using. These signs suggest a developing cannabis use disorder that may require professional help.

Managing withdrawal safely involves gradually reducing cannabis intake under medical supervision. Common withdrawal symptoms include anxiety, insomnia, decreased appetite, and restlessness. Supportive care such as hydration, healthy nutrition, and therapy can ease symptoms. Combining medical oversight with behavioral therapies like Cognitive Behavioral Therapy (CBT) or mindfulness practices helps patients build new coping skills and maintain recovery stability.

The Role of Neuroplasticity and Resources for MS and Addiction Recovery

Neuroplasticity refers to the brain’s ability to form new connections and adapt after injury or behavioral change. In recovery from addiction, this process allows the brain to relearn healthier patterns, rebuild self-control, and reduce cravings. For people with Multiple Sclerosis (MS), neuroplasticity supports both neurological healing and emotional regulation, helping restore function affected by disease or substance use.

Accessing the right recovery resources enhances this healing process. MS patients can benefit from integrated care programs that combine neurological treatment, therapy, and addiction support. Helpful resources include local MS societies, mental health professionals, and rehabilitation centers experienced in treating dual diagnoses. Support groups and online communities also provide encouragement, accountability, and education for maintaining long-term recovery and brain health.

What This Means for MS Treatment

The study’s findings suggest that brain stimulation could become a valuable addition to current MS treatment strategies. By targeting brain regions involved in addiction, this approach may help reduce cannabis dependence while improving focus, motivation, and emotional stability. It also offers a noninvasive option for patients seeking relief from symptoms without increasing reliance on substances. For MS treatment overall, brain stimulation could complement medication and physical therapy, enhancing neurological recovery and cognitive function. As research continues, integrating brain-based therapies with behavioral and medical support may lead to more effective, personalized care for people managing both MS and substance use challenges.

When to Seek Professional Help

It may be time to seek professional help when cannabis use begins to interfere with daily life or health. Warning signs include strong cravings, irritability when not using, or needing more cannabis to feel the same effects. People with Multiple Sclerosis (MS) should also seek help if cannabis use worsens fatigue, memory, or emotional balance. Professional support is especially important when attempts to quit fail or withdrawal symptoms appear, such as anxiety, restlessness, or insomnia. Consulting a healthcare provider or addiction specialist can help identify safe treatment options and create a plan that supports both neurological and mental health recovery.

Cannabis Addiction Treatment Options

• Behavioral Therapy (CBT): Helps identify triggers and build healthier coping strategies.

   

• Motivational Interviewing (MI): Encourages commitment to recovery and behavior change.

   

• Medication-Assisted Treatment (MAT): May reduce cravings and ease withdrawal symptoms.

   

• Support Groups: Provide accountability and shared experiences from peers.

   

• Outpatient or Inpatient Rehab: Structured programs for both substance use and MS management.

   

• Dual Diagnosis Programs: Address co-occurring mental health and neurological issues together.

   

Does Insurance Cover Treatment?

Most insurance plans, including private and state-funded programs, cover addiction and mental health treatment under the Mental Health Parity and Addiction Equity Act. Coverage varies by provider and treatment type. Patients should confirm details such as copays, approved facilities, and length of care. Many centers also assist with insurance verification to make treatment more accessible.

Conclusion 

While these promising findings highlight a step forward in treating excessive cannabis use, further research is needed to demonstrate clinical results across broader groups. The nationwide pilot study funded by a national institutes health grant marks an important move toward filling a critical gap in addiction treatment for people with neurological disease, including MS. As previous research showed, noninvasive stimulation may benefit common symptoms such as fatigue, anxiety, and sleep disturbances. With its fully integrated health system, NYU Langone continues to advance innovative, accessible interventions that could one day become approved treatments for managing both neurological and substance-related disorders.

NYU Langone offers a wide range of medical services across seven inpatient locations, with a high clinical specialties number recognized nationally. Its vast research enterprise and tuition free medical schools further distinguish NYU Langone as a leader in healthcare and education. U.S. News & World Report recently ranked NYU Langone among the top institutions for best patient outcomes.