I was scrolling Instagram last week and saw three different reels about “reverse diabetes naturally,” two about fatty liver, and one guy shouting that sitting is the new smoking. At first I laughed. Then I realized… wait, this isn’t random. Almost everyone I know has something now. High BP. Thyroid. Sugar. Vitamin D deficiency. Anxiety. Something.
Lifestyle diseases are increasing so fast that it almost feels normal now. Like, if someone says they are perfectly healthy, people look at them suspiciously. And honestly, that’s kind of scary.
When we say lifestyle diseases, we usually mean diabetes, heart disease, obesity, hypertension, PCOS, fatty liver, even some types of cancer. Basically, the stuff that doesn’t spread like infection but grows slowly because of how we live.
And the real question is — what changed so much?
We Move Less Than Our Grandparents Did Without Even Realizing It
My grandfather is 78 and still walks to the nearby shop every morning. Not for exercise. Just because that’s how he’s always done things. No step counter. No fitness app. Just life.
Compare that with us. We sit to work. Sit to eat. Sit to scroll. Sit to watch Netflix. Even our groceries come to the door. I once ordered toothpaste online because I was “too busy.” Too busy doing what? Probably scrolling memes.
According to WHO, physical inactivity is one of the leading risk factors for global mortality. But we don’t feel inactive because mentally we are exhausted. That’s the confusing part. Our brain is tired, but our body hasn’t done much.
It’s like owning a car and never driving it, then wondering why the engine is stuck.
Food Isn’t Food Anymore (Okay That Sounds Dramatic, But Still)
I’m not saying all modern food is bad. But let’s be honest, most of what we eat now comes in packets. Even “healthy” stuff has long ingredient lists that look like chemistry experiments.
Earlier, sweets were made at home and eaten during festivals. Now desserts are Tuesday night stress relief. Processed food is cheap, fast, addictive. And companies know exactly how to hit that “bliss point” of sugar, salt, and fat.
There’s a stat I read somewhere that ultra-processed foods make up more than 50 percent of daily calorie intake in some urban populations. I don’t remember the exact source, but it stuck in my head because… that’s insane.
And portion sizes? Don’t even start. What used to be a single serving is now called “regular.” I once ordered a “medium” cold coffee and it was basically a bucket.
Over time, all this adds up. Extra calories, insulin spikes, weight gain. Not overnight. But slowly. Like interest on a credit card. You ignore it for months, then suddenly the bill is huge.
Stress Is Basically Our Default Setting Now
This one I feel personally.
We are constantly connected. Emails. WhatsApp. Slack. LinkedIn notifications telling you someone your age just became CEO of something. It’s subtle pressure but it’s there.
Chronic stress increases cortisol. High cortisol over time can mess with blood sugar, sleep, weight, even immunity. But we treat stress like it’s normal. Like it’s part of being ambitious.
I remember during my first job, I used to skip lunch to finish work faster. I felt productive. But I was basically training my body to stay in survival mode.
And then sleep suffers. You scroll at 12 am saying “just 5 minutes more.” Suddenly it’s 1:30 am and you have to wake up at 7. Sleep deprivation itself is linked to obesity, diabetes, heart disease. Yet we wear “I sleep 4 hours” like a badge of honor.
Honestly, that mindset needs to retire.
Urban Life Looks Fancy But It’s Not Always Healthy
Pollution is another silent factor. In cities, air quality is often terrible. Long-term exposure to air pollution is linked to heart and lung diseases. Even strokes.
We can’t see it directly affecting us, so we ignore it. But our bodies don’t ignore it.
Also, sunlight. Sounds simple. But how many of us get real sunlight daily? Vitamin D deficiency is almost common now. I got tested once and my levels were so low the doctor literally asked if I live in a cave.
Turns out, office cabin + car + home = very little sun.
Small things like this seem harmless individually. Together, they create the perfect setup for lifestyle disorders.
We Earn More, But Spend It On Fixing Our Health
This is kind of ironic. We work hard to earn money. But then we spend that money on medicines, tests, gym memberships we barely use, diet consultations, supplements.
Prevention is boring. Cure is dramatic. That’s the problem.
Social media also plays a weird role here. On one side, it spreads awareness. On the other, it spreads confusion. One day carbs are evil. Next day fats are the villain. Then someone says fruit is too sugary. People get overwhelmed and give up.
I’ve seen comment sections where people argue more about diet than politics.
There’s also the mindset of “I’ll fix it later.” In your 20s and early 30s, the body forgives a lot. You eat junk, skip sleep, barely move — and still feel okay. So you assume you’re fine. But lifestyle diseases don’t always shout. They whisper for years before they scream.
Is It Only Individual Responsibility Though?
This part is important. It’s easy to blame people for bad habits. But systems matter too.
Cities are not built for walking anymore. Healthy food is often more expensive than junk. Work culture sometimes rewards burnout. Marketing pushes sugary drinks more than water.
It’s not just about willpower. It’s about environment.
Still, small choices matter. Taking stairs. Cooking at home a bit more. Sleeping properly. I’m not perfect at it either. Some weeks I eat great. Other weeks I survive on chai and random snacks.
But I’ve noticed something. When I move more and sleep well, everything feels lighter. Mood, focus, even digestion. It’s basic, almost boring advice. But boring works.
Maybe lifestyle diseases are increasing because our lifestyle changed faster than our bodies could adapt. Our biology is still wired for a slower, more active life. We upgraded technology. Not our genes.
And maybe the real solution isn’t some fancy superfood or detox trend. Maybe it’s going back to simple habits our grandparents followed without calling it “biohacking.”
Feels ironic, but sometimes progress needs a little reverse gear.

