People Are Wondering Why This Country Is Doing DNA Tests on All Newborns

Written by Romário Pereira de Carvalho

Published on 21/06/2025 at 16:47

Imagem: IA

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England Wants to Map the DNA of All Newborns to Detect Rare Diseases and Transform the Healthcare System into a Preventive Model

Every newborn baby in England in the coming years will have their DNA fully mapped shortly after birth. This measure is part of a 10-year plan by the National Health Service (NHS) and will be officially announced in the coming weeks.

The screening will be done through blood samples collected from the umbilical cord. The goal is to detect genetic changes associated with rare diseases that manifest in childhood and have available treatment.

The proposal arose after a pilot project initiated in October 2024. In it, around 100,000 babies had their genomes sequenced focusing on diseases that develop in the first few years of life.

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Earlier Diagnosis, Better Prevention

The UK Secretary of Health, Wes Streeting, stated that genetic technology will allow the NHS to “stay ahead of diseases, predicting them instead of reacting to them.”

He believes that the use of genetic sequencing can transform the British healthcare system into a more preventive than reactive model.

Furthermore, the plan also promises quicker and more efficient diagnoses through the combined use of genomics and artificial intelligence. The intention is to provide early alerts for health issues even before symptoms arise.

Today, English babies already undergo the traditional heel prick test, which detects nine serious diseases. In Brazil, the SUS offers a similar test, focusing on seven diseases such as phenylketonuria, congenital hypothyroidism, cystic fibrosis, and congenital toxoplasmosis.

Genetic Databases

Part of the announced funding will also go to the Genomics England project, which aims to create one of the largest genetic databases in the world. The expectation is to gather over 500,000 genomes by 2030, strengthening the foundation for future medical research.

According to geneticist Robin Lovell-Badge, a professor at the Francis Crick Institute, genome sequencing offers a detailed picture of an individual’s predisposition to develop specific diseases. These include muscular dystrophy, liver, and kidney diseases.

However, Lovell-Badge warns of an important challenge: the lack of trained genetic counselors to interpret the results and explain them to patients and their families. “It’s not just about having the information, but conveying it in a proper and useful way,” says the expert.

This concern emphasizes the need to train professionals capable of handling the volume and complexity of genetic information that will be generated with the expansion of the project. The complete NHS plan will be released in the coming weeks.

With information from BBC.

People Are Wondering Why This Country Is Doing DNA Tests on All Newborns

England Wants to Map the DNA of All Newborns to Detect Rare Diseases and Transform the Healthcare System into a Preventive Model

Earlier Diagnosis, Better Prevention

Genetic Databases

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