Here’s the thing: you probably haven’t thought about DNA sequencing unless you're in science or healthcare. But the truth is, it’s becoming one of the most powerful tools we have—and it’s getting better, faster, and cheaper every year.

We’re talking about Next Generation Sequencing, or NGS. The name sounds technical, and yeah, it is. But don’t let that scare you off. This tech is already being used to diagnose diseases faster, tailor cancer treatments, and track outbreaks like COVID. It’s not the future anymore. It’s now.

What is it, really?

In simple terms, it’s a supercharged way of reading someone’s DNA. Think of it like this: if your genome was a book, old methods would read one word at a time. NGS can read entire chapters at once—and from multiple books.

That means doctors and researchers can quickly spot genetic issues, see how illnesses progress, or understand why certain medications work better for some people than others. This is the engine behind personalized medicine.

And yeah, the money’s following

According to a report from Roots Analysis, the next generation sequencing market is sitting at around $7.7 billion this year. It’s expected to grow to $8.6 billion next year, and by 2035, it could hit $46.5 billion. That’s a massive jump, and it’s happening for a reason: the tech works, and it’s getting into more hands.

The growth rate? Roughly 18.4% per year. That’s not just hype—that’s real demand from real-world applications.

Where it’s changing the game

In hospitals, doctors are using it to figure out what kind of cancer a person has—and more importantly, what kind it isn’t. That saves time, money, and lives.
For rare diseases, it’s offering answers that people couldn’t get before. Sometimes, after years of misdiagnosis, one DNA test can solve the mystery.
During the pandemic, it was how we spotted new variants of the virus, tracked how it was changing, and guided public health decisions.

And it’s not limited to people. NGS is being used to develop better crops, study environmental changes, and even identify bacteria in complex ecosystems. Basically, anywhere DNA exists, NGS has a role to play.

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But it’s not all smooth sailing

There’s a learning curve. Not every lab or clinic can interpret the data correctly. Privacy is another big issue—what happens to your DNA data after it’s sequenced? Who owns it?

And then there’s the gap between what’s possible and what’s actually being used in regular healthcare. Many doctors are still catching up to what this tech can do.

Still, the direction is obvious

Whether we like it or not, our health systems are slowly moving toward more data-driven, personalized approaches. NGS is going to be a core part of that. It won’t replace doctors, but it’ll give them sharper tools. That’s the real win.

We’re just scratching the surface of how useful this tech can be. The next ten years will probably blow the last ten out of the water.

Chri Gayle