How Marijuana Impacts Mental Health

How Marijuana Impacts Mental Health

For years, marijuana has been considered a relatively “safe” drug compared to substances like heroin or opioids. While it’s true that marijuana isn’t typically lethal, it’s far from risk-free. It carries the potential for addiction and can have significant effects on mental health.

The dangers are even more pronounced for young people, as marijuana use can hinder brain development and heighten the risk of mental health challenges. By learning about these effects, individuals can make informed decisions and seek help if needed.

What is Marijuana?

Marijuana originates from the Cannabis plant, primarily its dried flowers and leaves. Its primary psychoactive component, tetrahydrocannabinol (THC), interacts with receptors in the brain and nervous system to create the characteristic “high.”

The method of consumption influences its effects:

  • Smoking: The most traditional method involves smoking joints, pipes, or bongs.
  • Vaporizing: This heats the cannabis to release active compounds without combustion.
  • Edibles: Consuming marijuana through foods like brownies or gummies produces effects that take longer to kick in but last longer.

Each method interacts uniquely with the body, with edibles typically resulting in slower-onset but prolonged effects compared to smoking or vaping.

Marijuana’s Connection to Psychosis

One of the most concerning aspects of marijuana use is its link to psychosis and schizophrenia. Research indicates that heavy or prolonged use increases the likelihood of psychotic disorders, particularly for individuals with a predisposition to mental health issues.

Although not everyone who uses marijuana will develop psychosis, some may notice the onset or worsening of symptoms after use. Experts suggest that THC disrupts the brain’s dopamine system, which plays a key role in mood regulation and psychotic disorders. Those with a family history of schizophrenia are especially vulnerable and should approach marijuana with caution.

The Impact on Depression

While some people turn to marijuana to relieve anxiety or depression, frequent or high-dose use can have the opposite effect. Studies have shown a correlation between heavy marijuana use and increased rates of depression, along with suicidal thoughts or behaviors.

This risk is particularly high for individuals with pre-existing mental health conditions like bipolar disorder or chronic depression. In these cases, marijuana can exacerbate mood swings, feelings of hopelessness, and emotional instability.

How Marijuana Affects the Brain

Marijuana’s effects on the brain are significant, both in the short and long term. THC interacts with cannabinoid receptors in the brain, altering mood, memory, and perception. While this explains its pain-relieving properties, it also accounts for many undesirable side effects.

Short-term effects include:

  • Altered perception: Changes in how sights, sounds, and time are experienced.
  • Mood fluctuations: Users may feel euphoric, anxious, or paranoid.
  • Impaired coordination: Activities like driving become unsafe.
  • Memory issues: Short-term memory and decision-making abilities can be affected.
  • Sedation: Some users experience intense lethargy or “couch lock.”

High doses may cause hallucinations, delusions, or psychosis, especially for those predisposed to such conditions.

Long-term effects are even more severe, particularly for adolescents. Teenage marijuana use can disrupt the development of the prefrontal cortex, the part of the brain responsible for decision-making and emotional control. Chronic use can lead to cognitive decline, reduced motivation, and even a measurable drop in IQ. Memory problems and difficulty learning new information can persist even after stopping use.

Marijuana Addiction and Withdrawal

Despite its reputation as a harmless drug, marijuana can be addictive. Heavy and frequent use can lead to Cannabis Use Disorder, which makes withdrawal symptoms much worse. Addiction is often accompanied by tolerance and withdrawal symptoms.

Common withdrawal symptoms include:

  • Irritability
  • Sleep disturbances
  • Decreased appetite
  • Strong cravings
  • Restlessness

Although withdrawal symptoms aren’t life-threatening, they can last for weeks, making it challenging to quit without support.

Finding Help for Marijuana Addiction

Beating marijuana addiction often requires professional intervention. Counseling, behavioral therapies, and support groups can address both the psychological and physical aspects of dependence. While detox isn’t usually necessary, structured treatment programs can equip individuals with strategies to manage cravings and prevent relapse.

At Sobriety Options, we provide comprehensive care for those struggling with marijuana addiction. Our programs address withdrawal symptoms and any underlying mental health challenges to foster lasting recovery. Whether through inpatient or outpatient services, our team is ready to guide you toward a healthier, more balanced life. If you or someone you care about is battling marijuana dependence, reach out to Sobriety Options today.

About Sobriety Options 


Sobriety Options is open 24/7 to provide support and care for those seeking substance abuse or mental health treatment. A branch of Solution Based Treatment, we serve as a central admissions office for seven different branches throughout Southern California. Our team is able to help you find the best sober living option for yourself or your loved one to help them get the care they need. For more information visit our website at sobrietyoptions.com or give us a call at (855) 485-0071.

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