Long-Term Effects of Marijuana Use

long-term effects of marijuana

For years, marijuana had a reputation as a relatively benign drug. As legalization and cultural acceptance have grown, many people – especially young adults – assume cannabis is safe and even beneficial. However, research increasingly shows long-term marijuana use can have severe and lasting effects on your mental and physical health.

From impaired cognitive function to the onset of psychiatric symptoms, the consequences of marijuana are real – and they’re especially concerning for young adults who begin using the drug at an early age.

Cognitive Decline and Brain Development

Impact on cognitive functioning is one of the best-documented risks of long-term marijuana use. THC, the psychoactive compound in marijuana, interferes with the brain’s communication systems, which can affect memory, learning, attention and decision-making.

The risks increase exponentially for people who start using marijuana while their brains are still developing. Studies have shown that regular use during teenage years can result in:

  • Reduced IQ scores
  • Difficulty concentrating
  • Memory problems
  • Poor academic and occupational performance

These effects can persist long after you quit marijuana, especially if you were a heavy, long-term user.

Marijuana and Mental Health

While marijuana may temporarily relieve your anxiety or improve your mood, long-term use can cause mental health issues, including marijuana-induced psychosis.

Marijuana psychosis involves hallucinations, paranoia and disorganized thinking. Though not everyone who uses marijuana will experience a break with reality, the risk increases with high-potency THC products and frequent use. In some cases, marijuana use can trigger the onset of chronic psychiatric conditions, especially if you have a family history of mental illness or other risk factors.

Long-term marijuana use may also result in:

  • Worsening mental health symptoms
  • Suicidal thoughts or behavior
  • Reduced emotional regulation

Physical Health Risks

Marijuana can also affect your physical well-being. Smoking cannabis will expose your lungs to many of the same toxins and carcinogens as tobacco. Over time, this can lead to:

  • Chronic bronchitis
  • Persistent cough and phlegm production
  • Lung irritation and inflammation
  • Impaired immune response in lung tissue

Some people may also experience cardiovascular effects, including elevated heart rate and blood pressure, which can be dangerous for people with heart conditions.

Addiction and Withdrawal

Another long-term consequence of marijuana use is the development of cannabis use disorder–a form of addiction that can be difficult to recognize. Many people believe the persistent misconception that marijuana isn’t addictive, but the risk is high for those who begin using as teens.

Signs of cannabis use disorder include:

  • Needing more marijuana to achieve the same desired effects
  • Being unable to stop or cut back
  • Spending significant time obtaining or using the drug
  • Using marijuana to cope with stress, boredom or negative emotions
  • Experiencing withdrawal symptoms like irritability, insomnia and cravings when trying to quit

Reversing the Damage and Seeking Help

PACE Recovery works with young men who underestimated the risks associated with frequent cannabis use and have experienced adverse consequences as a result. We provide a safe, structured environment where you can address substance abuse and co-occurring mental health conditions. Our team uses evidence-based therapies to help clients understand the root causes of their behaviors, develop healthier coping strategies and rebuild their lives with clarity and purpose.

Marijuana may not be as harmless as people once believed. The sooner you take steps to address its impact, the better your chances of reclaiming your mental and physical health. Contact us today to learn more about our programming and philosophy.