World Health Day 2026: Together for Health, Connected by Science

Apr 2, 2026

Every year on April 7, the World Health Organization celebrates World Health Day. This year’s theme, “Together for health. Stand with science,” calls on governments, healthcare workers, and the public to use evidence-based research to protect our health, rebuild trust in science, and support solutions that create a healthier future.

At the Canadian Mental Health Association, this message feels especially important right now. As we head into Mental Health Week (May 4-10), we’re focusing on something both deeply human and strongly backed by research: the importance of social connection.

That’s because connection isn’t just a nice-to-have. It’s essential for our mental health.

Science shows that when we feel connected to others, our brain’s reward system activates, boosting our sense of well-being and motivation. But when that connection is missing, the effects can be serious. Loneliness and social isolation can trigger stress in the body, increasing the risk of depression, self-harm, and suicide, along with physical health issues like inflammation, high blood pressure, heart disease, and stroke.

We’re also living in a time where science and technology are changing how we live, work, and connect. From artificial intelligence to social media, digital tools are now part of our everyday lives. They shape how we communicate, how we learn, and even how we see ourselves and others.

In many ways, we’re more connected than ever before. But at the same time, many people, and especially young people, are feeling increasingly lonely.

While technology can help us stay in touch, it can’t replace real, meaningful and face-to-face human connection. Statistics Canada research (2025) shows that Canadians feel lonelier when their friendships are only virtual, compared to a mix of virtual and in-person connecting. This tells us that virtual connection alone is not enough. It can’t meet all our needs.

The same is true for social media. While it can help us feel and be connected, using it passively by scrolling endlessly doesn’t always give us the sense of belonging we need to feel well.
Right now, many Canadians are struggling. Financial pressures, a tough economy, and uncertainty in the world are weighing on people every day. It’s easy to think that improving mental health requires big or costly solutions. But the evidence points somewhere simpler and more powerful: toward each other.

Let’s use technology in ways that strengthen our connections. It could be a quick “thinking of you” text, then following up with a call. It could be a video call to set up time to meet in person. But it can also mean putting technology aside to be fully present with each other. Talk over a meal instead of checking your phone. Or try putting your phone away to really listen. This can make someone feel really seen and heard. These moments can feel small, but they matter more than we think. They help create a sense of belonging, strengthen relationships, and remind us that we’re not alone.

On this World Health Day, let’s keep technology in perspective so we can really stay connected. Then keep up the momentum for Mental Health Week (May 4-10) as we “Come Together, Canada,” celebrating our connections, both online and in real life. Because stronger connections mean better mental health.

[1] Delgado, Mauricio, Dominic S. Fareri and Luke J. Chang, “Characterizing the mechanisms of social connection,” Neuron 111.24 (2023): 3911-3925; Feldman, Ruth, “Oxytocin and social affiliation in humans,” Hormones and Behavior 61 (2012): 380-391.

[2] https://www150.statcan.gc.ca/n1/daily-quotidien/251024/dq251024a-eng.htm