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Science News for May 9, 2026


8,500 steps a day can help dieters keep weight off

A systematic review and meta-analysis of existing research found that increasing daily step count to around 8,500 can help prevent weight regain in people with overweight or obesity. Participants who increased their steps during the weight loss phase and maintained this level over time lost less weight and regained less weight.

SourceEuropean Association for the Study of Obesity·JournalInternational Journal of Environmental Research and Public Health·DateMay 9, 2026

Over half of parents in England frequently pestered by their children to buy junk food while food shopping, national survey suggests

A national survey in England found that over half of parents are frequently pressured by their children to buy unhealthy products, leading to almost three-quarters of these purchases. The study suggests the current food environment influences these requests, driven by instore and media marketing.

SourceEuropean Association for the Study of Obesity·DateMay 9, 2026

Lab-grown diamond device might change how we measure radiation doses

A team of researchers has developed a lab-grown diamond device that accurately measures radiation doses, offering improved consistency and sensitivity compared to conventional detectors. The device's compact size enables real-time measurements during treatments and environmental monitoring.

SourceTokyo Metropolitan University·JournalMedical Physics·DateMay 9, 2026