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The study explores how younger adults track their diet and physical activity, evaluating their attitudes and barriers.

March 14, 2026Journal of Public HealthOpen Access

Challenges and opportunities for monitoring diet and physical activity in younger adults as part of a future brain health study: a UK and US survey

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Survey reveals younger adults' attitudes and barriers in tracking diet and physical activity for brain health research.

The study explores how younger adults track their diet and physical activity, evaluating their attitudes and barriers.
Online questionnaire assessing diet and physical activity tracking behaviours
Comparing responses between UK and US
Participants aged 18-39 years
Evaluating attitudes, barriers, and enablers
1,006 younger adults participated (500 from UK, 506 from US)
90.3% willing to participate in brain health study
Key barriers include estimating portion sizes and forgetting to record activity
Younger adults found technology-based tracking, like apps and smartwatches, acceptable
Participants aged 18-29 and from minority ethnic groups reported greater barriers

Shannon et al. (2026) studied this question.

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