This article is written by Seattle Sutton, RN, founder of Seattle Sutton’s Healthy Eating. With decades of experience helping people live healthier, more vibrant lives, Seattle shares her insights on how staying active can support longevity, independence, and overall well-being.

Have you heard the saying, “Sitting is the new smoking”? It turns out, there’s a lot of truth to it. According to research, sedentary lifestyles are linked to 5 million deaths per year worldwide. For comparison, smoking causes about 6 million deaths annually, according to the World Health Organization (WHO).

Five million deaths…from sitting too much! That’s a lot of time on the couch, armchair, or behind a desk. Makes you want to stand up and take a walk right now, doesn’t it?

The Cost of Sitting

A massive study of one million people found that physical inactivity costs the global economy $67.5 billion every year—in healthcare expenses and lost productivity. But here’s the good news: just one hour of exercise a day, like brisk walking, can counteract those risks.

Sedentary lifestyles are strongly linked to major health problems, including heart disease, diabetes, stroke, cancer, and a higher risk of premature death. Those who sit for long periods and rarely move are at the greatest risk.

Walking: The Simple Solution

Researchers found that walking can offset the effects of sitting for eight or more hours a day. You don’t need a gym membership, fancy equipment, or a specific sport. A brisk walk is enough—just make sure your heart rate is up but you can still carry on a conversation.

The WHO recommends at least 150 minutes of moderate exercise per week, but a quarter of adults worldwide don’t even meet that. Experts argue that this is likely not enough, and recent research suggests that an hour of activity a day is the sweet spot to protect your health and longevity.

Make Movement a Habit

The takeaway is simple: move more, sit less, and make it a part of your day. Take short walking breaks at work, stretch during TV commercials, go for a walk after dinner—every bit counts. Your heart, your body, and even your future self will thank you.

Remember: you don’t need to run a marathon or lift heavy weights. Just get up, get moving, and keep moving. It’s one of the simplest ways to add years—and quality—to your life.