Marijuana use has become common for millions of Americans, with recreational cannabis legal in over 20 states and widely accepted. Many adults view it similarly to having a glass of wine after a long day. However, new research is raising concerns, particularly for those who continue using marijuana into their 30s and beyond. Long-term cannabis use may have serious effects on mental, physical, and cognitive health.

For years, marijuana was seen as a harmless drug, praised for its medicinal benefits. But recent studies show that consistent, heavy use, especially beyond the age of 30, can affect the brain. Unlike alcohol or tobacco, marijuana impacts the endocannabinoid system, which regulates mood, memory, and cognitive functions. Regular use may lead to cognitive decline, including memory loss, reduced attention span, and difficulty solving problems—issues that could become permanent.

Beyond cognitive effects, marijuana use is linked to mental health risks. Chronic use may increase the likelihood of anxiety, depression, and even psychosis. For those predisposed to mental illness, marijuana use in their 30s could trigger or worsen symptoms.

Smoking marijuana, like tobacco, can harm lung health. Although cannabis smoke contains fewer carcinogens, it still irritates the lungs, leading to chronic bronchitis, persistent coughing, and other respiratory problems. Vaping is not risk-free either, as it can cause lung injury and expose users to toxic substances.

Long-term marijuana use also affects heart health. Research shows it can increase the risk of high blood pressure and heart disease, particularly for those who start using marijuana at a young age. Over time, the cumulative effects of cannabis can strain the heart and cause complications later in life.

Another consequence of chronic marijuana use is a decrease in motivation. Known as amotivational syndrome, it leads to apathy and lack of interest in goals, which can hinder career and personal growth, and damage relationships.

The belief that marijuana is harmless can make it difficult to recognize these risks. While effects may not be immediate, long-term use can cause damage over time, much like smoking or excessive drinking.

The good news is that it’s never too late to make a change. Reducing or quitting marijuana can reverse many of these negative effects. Cognitive functions, lung health, and mental well-being can improve, and the risk of heart disease decreases with healthier habits.

Support is available for those struggling to quit, through counseling, behavioral therapies, and support groups. As awareness of the risks grows, many are choosing to cut back or quit in pursuit of better health.

In a culture where marijuana is normalized, it’s easy to overlook the downsides. But as research grows, it’s clear that using cannabis into your 30s may not be as harmless as once thought. If you’re still using marijuana regularly, it might be time to reconsider for the sake of your health.