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ChinaScience

Chinese AI technology shows people age fastest in their 40s

  • Researchers used 3D images to determine how much younger or older people look compared to their actual age
  • System based on images and health information about 5,000 Beijing residents

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A Chinese team has developed AI technology that can calculate people’s biological age from an image of their face. Photo: Shutterstock
Stephen Chen
Chinese researchers say they have developed an artificial intelligence technology that can calculate a person’s biological age from a 3D image.

Biological age is a measurement of age based on various biomarkers, and can change due to lifestyle and other health factors.

The team from Peking University and Shanghai Jiao Tong University said they found the signs that someone was either a “fast ager” – with a biological age older than their numerical age – or a “slow ager” was most apparent between the ages of 40 and 50.

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“Middle age is the ideal stage for ageing interventions,” team leader Han Jingdong from Peking University said in a paper published in the peer-reviewed journal Nature Metabolism this month.

In a press release posted on the website of the Chinese Academy of Sciences on Tuesday, the team said their study showed that yoghurt, coffee, fruits, chicken, beans and “eating on time” could help to slow down ageing.

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In contrast, smoking, drinking alcohol, eating pickled food, taking antibiotics and exposure to ultraviolet could make people look older, which was backed up by the results.

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