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Key Points

4 points
1

DNA holds all the instructions for how we look and work.

2

Scientists often search for small changes that affect health.

3

New findings suggest many changes are hidden outside the part they usually check.

4

Future studies will need to look at these hidden areas.

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Summary

They realized that many important differences are not in the usual code part they study.

Because of this, earlier research might have missed a lot of useful information.

Understanding the missing pieces can help doctors find better ways to treat illnesses.

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New Words to Learn

5 words
genome-wide association studies
big projects that compare many people's DNA to find links to diseases
genetic variants
tiny differences in the DNA code between people
heritable variation
differences that can be passed down from parents
sequence
the exact order of the DNA letters
implication
what the result means for future work
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