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Scientists Create New Way to Make Medicine Safer Using DNA Tests

June 12, 2026 · Nature

Researchers develop a computer system that helps doctors choose the right medicine for each patient based on their genes.

Scientists have made a big breakthrough in personalized medicine. They created a new computer system that helps doctors choose the right medicine for each patient. The system uses DNA tests to find out how different people respond to medicines. This could make treatments much safer and more effective for everyone.

The problem doctors face today is that genetic test results are very hard to understand. When patients get DNA tests, the results come as long reports full of scientific codes and numbers. Most doctors don't know what these codes mean, so they can't use the information to help their patients. The scientists wanted to change this by making the results simple and clear.

A team of researchers worked with medical experts from around the world to solve this problem. They spent months creating a new way to organize and share genetic information. The system they built can work with any hospital computer system. It translates complicated genetic codes into simple language that all doctors can understand.

The new system keeps genetic test results separate from treatment advice. This makes it easier for doctors to find the information they need quickly. When a doctor wants to prescribe medicine, the computer can instantly show how that patient's genes might affect the treatment. This helps doctors choose the safest and most effective medicine for each person.

There is a need to simplify genomic data for clinicians who may have limited experience of using such information.

Comprehension quiz preview

1. What is pharmacogenetics?

  • AThe study of how genes affect medicine
  • BA type of surgery
  • CA new computer program
  • DA blood test

2. How many countries were represented by the experts who helped create this system?

  • A5 countries
  • B24 countries
  • C10 countries
  • D15 countries

3. What does the new system separate to make information clearer?

  • APatients and doctors
  • BHospitals and clinics
  • CTest results and treatment advice
  • DOld and new medicines

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