By Lori Morris, CNM, certified nurse-midwife and women's health coach

Loneliness doesn't just hurt your feelings. It affects your body. Being isolated long term raises stress hormones like cortisol, raises blood pressure, disrupts sleep, worsens insulin resistance, weakens your immune system, and is linked to higher rates of heart disease and earlier death. Scripture told us this first: "It is not good that man should be alone." God designed us to heal in connection, not in isolation.

Have you ever noticed that when you feel isolated, you also feel physically run down? It's not just in your head. If you've ever felt like you were carrying everything alone (the mental load, the appointments, the emotions, the exhaustion), this one is for you. It starts a little heavy, but stick with me, because there's real hope at the end.

We're more connected than ever. We text, we scroll, we like each other's posts. And yet so many of us feel more alone than ever, because somewhere along the way we stopped being known and seen.

In the early 1960s, a doctor named Stewart Wolf heard about a little town in the Pocono Mountains of Pennsylvania called Roseto. It was settled by Italian immigrants who all came from the same village in Italy, and somebody had noticed that hardly anyone there had heart attacks.

He dug into it. In a time when heart attacks were the leading killer of men under 65, Roseto's heart attack rate was about half the national average, and nearly zero for men under 65. Their death rate from all causes was 30 to 35% lower. Researchers found no suicide, no alcoholism, no drug addiction, and very little crime. People there were dying of old age.

So what was their secret? It wasn't their diet. They cooked with lard and ate pizza loaded with sausage and pepperoni. It wasn't exercise. Many of them smoked and were overweight. It wasn't genetics, because people from the same Italian village who settled elsewhere in America were no healthier than anyone else. It wasn't the water or the hospital, because the neighboring towns shared those and had normal rates of heart disease.

It was the community. Families lived in multi-generational homes. Everybody went to church together. Neighbors walked in and out of each other's kitchens. They ate together, celebrated together, worked hard toward a shared purpose, and took care of one another. Nobody in Roseto struggled through life alone.

Then things changed. The next generation moved into single-family homes with fences, drifted from church, and traded evenings together for nights in front of the television. By the end of the 1970s, Roseto's heart attack rate had climbed to the national average.

Human beings nourish each other even more than spaghetti does. Dr. Wolf concluded that someone who's isolated can easily get overwhelmed by everyday life, and that kind of overwhelm triggers stress responses in the body. Someone surrounded by a supportive community can relax, and that changes their physiology.

Roseto isn't the only example:

Lonely people have higher blood pressure, bigger cortisol spikes under stress, altered immune systems, and higher rates of heart disease, Alzheimer's, and death after surgery. They sleep worse, and poor sleep raises insulin resistance and cortisol and keeps the body stuck in fight-or-flight.

When was the last time your doctor asked about your life at home, or whether you have people around you? Your relationships can affect your health as much as your food, your activity, and your genes.

Here's where it gets tricky. You might think the answer is to try harder to fit in. It isn't.

When you try to squeeze yourself into a group of people who don't think like you or support how you live, you end up feeling even more alone. It's a moving target. Just when you think you've figured out what they expect, something shifts, and you're sacrificing who you are to meet expectations you're only guessing at.

Belonging is different. Belonging is being with people who accept you for who you are. It's hard to be a square peg trying to fit in the world's round holes. It hurts to be squished like that, and it does the same physical damage we just talked about.

God put His people in families and tribes. Most of the people we read about in the Bible weren't alone, and the few who were usually weren't alone for long, and it was for a purpose. "It is not good that man should be alone" (Genesis 2:18).

As Christians, we're called to be set apart, God's own special people (1 Peter 2:9). We won't fit in with the world, and we're not supposed to. Choosing to grind your own wheat, homeschool, or question what goes into your children's bodies may make you the "weird" one. That's okay. Even weirdos need a place to belong.

Healthy relationships aren't optional if you want to be well. That doesn't mean pulling away from the world. It means finding people who will help you stay strong, keep learning, and not flinch when the world thinks you're crazy.

Can loneliness make you physically sick?
Yes. Long-term loneliness is linked to higher stress hormones, higher blood pressure, poorer sleep, insulin resistance, a weakened immune system, and higher rates of heart disease and earlier death.

What is the Roseto effect?
In the 1960s, researchers found that the close-knit Italian immigrant town of Roseto, Pennsylvania, had about half the national rate of heart attacks despite a high-fat diet and smoking. The difference was their strong community, and when that community broke down, their heart disease rates rose to the national average.

What does the Bible say about loneliness?
From the beginning, God said, "It is not good that man should be alone" (Genesis 2:18). He placed His people in families and communities, and the church is meant to be a family where we bear one another's burdens.

How is belonging different from fitting in?
Fitting in means changing yourself to meet what you think other people expect. Belonging means being accepted for who you are. Trying to fit in where you don't belong often makes you feel more alone.

If you're ready for one-on-one support, see my Menu of Services or email me at lori@morriswellnessservices.com. You'll also find my free podcast, class, and guides on my Free Resources page. If this post stirred up questions about trusting what you've been told, read Real Science Invites Questions, Real Faith Requires Them.

You weren't made to do this alone, mama. You can listen to the full episode of If Mama Ain't Healthy (Ain't Nobody Healthy) at the top of this page.