High blood sugar levels make you look older, new research suggests

Long term exposure to high levels of glucose causes people to look older than they really are, new research suggests.

A study jointly carried out by Leiden University Medical Center and Unilever R&D has identified, for the first time, a relationship between people's blood sugar levels and their perceived facial age.

The study found that people aged 50-70 with high non-fasted blood sugar levels consistently looked older than those with lower blood sugar levels. The results demonstrated that for every 1 mmol/litre increase in blood sugar levels, perceived age increased by five months.

The research also found that the perceived facial age of diabetics - who have had long-term exposure to high blood sugar levels - looked older than non-diabetics. Crucially, these results remained after taking into account factors which are known to influence facial ageing such as smoking, sun exposure and BMI.

Diana van Heemst, associate professor at the Leiden University Medical Center said: “The results from this study further underscore how important regulation of blood glucose levels is for well-being and health in advanced middle age. The associated benefit of looking younger might provide an extra motivation to bring about healthy lifestyle changes in 50-to-70 year olds.”

David Gunn, Senior Scientist at Unilever's R&D laboratories based at Colworth Science Park said: "This is the first time that a relationship between high blood sugar levels and facial ageing has been identified. While there’s an extensive body of research which shows that consistently high levels of glucose in people's blood stream is bad for their health, this study suggests that it's also not going to help them keep a youthful appearance.

“Although there are known routes through which high glucose could be influencing facial ageing, further research is required for us to identify the true underlying cause."

This study, now published in AGE, was run as part of the Netherlands Consortium for Healthy Ageing initiative which aims to understand how health can be preserved as individuals age. The study involved testing the non-fasted blood sugar levels of more than 600 men and women in the Netherlands, who were then photographed. Their actual age was then compared to their perceived facial age, as assessed by 60 independent assessors. www.healthy-ageing.nl(Link opens in a new window)

The research paper is available at http://bit.ly/t0GO9w(Link opens in a new window).

ENDS

Notes for the editor

For more information on this study, please contact Paul Matthews, Unilever Corporate Media Relations Manager on 0207 822 6605 / 0775 276 8888 / paul.matthews@unilever.com(Link opens in a new window)

About Leiden University Medical Center

As a center of medical innovations the Leiden University Medical Center (LUMC) strives towards an (inter)nationally recognized leading role in the improvement of quality of health care. Core business of the LUMC are patient care, research, education and training. The LUMC is part of the Dutch Federation of University Medical Centers (NFU). The NFU is a collaboration of the 8 University Medical Centers of the Netherlands www.lumc.nl(Link opens in a new window)

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