Could Laughing More Actually Improve Your Health?

 

Laughter is usually treated as a response to something funny, but researchers are finding that a good laugh may also have measurable effects on the body. From lowering stress hormones to temporarily changing circulation and breathing, laughter appears to do more than simply improve your mood.

That does not mean laughing can replace exercise, a healthy diet or medical treatment. But research suggests that making room for humor and social connection could be one small part of a healthier lifestyle.

What Happens to Your Body When You Laugh?

A genuine bout of laughter involves much more than facial muscles. Breathing changes, the chest expands and the body becomes physically active for a short period.

Research has also linked laughter with changes in stress-related hormones. A systematic review of eight small, short-term studies found that spontaneous laughter was associated with an approximately 30% reduction in cortisol, a hormone involved in the body’s stress response.

That may help explain why people often feel more relaxed after laughing.

Laughter May Help Reduce Stress

Stress can affect both mental and physical health, especially when it becomes persistent.

Laughter appears to offer a temporary break from that stress response. A 2023 study led by endocrinologist Dr. Caroline Kramer examined spontaneous laughter and found significant reductions in cortisol after laughter.

More recent research has also examined structured laughter therapy. A 2026 meta-analysis covering 33 studies found that laughter-based interventions were associated with reductions in depression, anxiety and stress, although researchers noted that more evidence is needed to establish how these approaches should be used clinically.

It May Have Physical Effects Too

Laughing hard can increase breathing and temporarily raise heart rate. The physical movement involved can also make the chest and abdominal muscles contract.

Some researchers have suggested that laughter may influence blood vessel function and circulation. These effects are generally short-lived, however, so laughter should not be viewed as a substitute for regular physical activity.

A few minutes of laughing at a comedy show is not equivalent to walking, running or strength training.

Humor Can Bring People Together

The potential benefits of laughter and health are not limited to physical changes.

People often laugh more when they are around friends, family or other groups. Shared humor can strengthen social connections and create a sense of belonging.

That social element may be particularly valuable during stressful periods. Having people around whom you can relax and laugh can provide emotional support even when circumstances themselves cannot immediately change.

Laughter Therapy Is Being Studied

Researchers are also investigating laughter as a structured intervention rather than simply an enjoyable activity.

A September 2026 systematic review looked at 16 randomized controlled trials involving 1,127 people with cancer. The researchers found that laughter therapy probably reduced anxiety and may also reduce pain and stress, although they emphasized limitations such as small samples, differences between interventions and uncertainty around several outcomes.

These findings suggest potential benefits, but they do not establish laughter therapy as a treatment for cancer or other serious diseases.

Finding More Reasons to Laugh

There is no complicated formula for getting more laughter into everyday life. Watching a comedy, spending time with people who make you laugh, sharing funny memories or simply allowing yourself to enjoy a lighthearted moment can all provide an opportunity.

The bigger message is that laughter and health may have a meaningful connection, particularly when laughter is part of social interaction and overall well-being.

It will not solve every health problem, but a good laugh may be a simple way to interrupt stress, improve your mood and add a little more enjoyment to everyday life.