Cannabis and Cortisol: What Morning Stress Hormones Reveal About Regular Use

For many people who use cannabis regularly, the plant represents relief. A way to unwind after a long day, to quiet racing thoughts, to ease the weight of stress. But new research is revealing something unexpected about what happens inside the bodies of frequent users, particularly in the quiet hours of morning before the day begins.

Scientists have found that people who use cannabis frequently tend to wake up with unusually high levels of cortisol, the hormone our bodies release in response to stress. The finding suggests that regular cannabis use might be changing the daily rhythm of how our stress system works, raising important questions about whether reaching for cannabis to manage stress could, over time, alter the very biological mechanisms designed to help us cope.

The Body's Natural Stress Clock

Cortisol follows a predictable pattern in most people. It rises in the early morning, giving us the energy to wake and face the day, then gradually declines as evening approaches. This rhythm, known as the diurnal cortisol pattern, is one of the ways our body manages stress and maintains balance. When this pattern gets disrupted, it can affect everything from mood and sleep to immune function and overall wellbeing.

The researchers behind this study measured cortisol levels in frequent cannabis users and found something striking. Even before these individuals started their day or used any cannabis, their cortisol levels were already elevated. Their stress hormone was running high before they encountered any of the day's actual stressors.

*Photo: ธันยกร ไกรสร · Pexels*

This discovery matters because it hints at a paradox. Cannabis is often used specifically to reduce stress and anxiety. Many people report that it helps them relax, sleep, or simply take the edge off difficult feelings. Yet if frequent use is associated with a disrupted stress hormone system, it raises the possibility that the relief people experience in the moment might come with longer-term changes to how their bodies handle stress naturally.

What This Means for the Stress Response

The stress response system is remarkably complex. Cortisol is just one part of a sophisticated network that helps us respond to challenges, recover from difficulties, and maintain equilibrium. When this system works well, it protects us. When it becomes dysregulated, whether through chronic stress, trauma, or other factors, it can contribute to a range of physical and mental health concerns.

The elevated morning cortisol in frequent cannabis users suggests their stress system may be working differently. Whether this represents the body adapting to regular cannabis exposure, or whether it reflects something about why people use cannabis in the first place, remains an open question. The researchers acknowledge they cannot yet say whether cannabis use causes this change, or whether people with already disrupted stress systems are more likely to use cannabis frequently.

What seems clear is that the relationship between cannabis and stress is more complicated than simply "cannabis reduces stress." The body's stress machinery appears to respond to frequent use in ways that might not align with the immediate sense of relief people feel.

*Photo: Tara Winstead · Pexels*

A Conversation Worth Having

This research does not answer every question, and it certainly does not tell anyone what choices to make about cannabis. But it does add an important piece to our understanding of how regular use might interact with our biology over time. For people who use cannabis frequently, particularly those using it to manage stress or anxiety, these findings invite reflection.

If the goal of using cannabis is to feel less stressed, it might be worth considering whether that relief is sustainable, or whether the body's stress system is being affected in ways that could matter down the line. It might also prompt conversations with healthcare providers about other approaches to stress management, whether that means therapy, movement, connection, meditation, or simply examining the sources of stress itself.

For content creators and podcasters exploring wellness topics, this research offers a reminder that our relationship with any substance, even one widely perceived as benign, deserves nuance and honesty. The stories we tell about cannabis, stress, and mental health need room for complexity, for the recognition that short-term relief and long-term wellbeing do not always move in the same direction.

The human stress response evolved over millennia to protect us. Understanding how modern habits interact with these ancient systems is part of taking care of ourselves with open eyes. This research does not provide all the answers, but it does suggest that when it comes to cannabis and stress, there is more happening beneath the surface than we might assume.

ScienceDaily