In late 2020, Canadian doctors made headlines for “prescribing nature,” or recommended time outdoors based on research that suggests people who spent two or more hours in nature per week improved their health and wellbeing. Knowing this, transdisciplinary researchers from Drexel University investigated how nature relatedness — simply feeling connected with the natural world — benefits dietary diversity and fruit and vegetable intake, in a study recently published the American Journal of Health Promotion.
“Nature relatedness has been associated with better cognitive, psychological and physical health and greater levels of environmental stewardship. Our findings extend this list of benefits to include dietary intake,” said Brandy-Joe Milliron, PhD, an associate professor in Drexel’s College of Nursing and Health Professions and lead author of the publication. “We found people with higher nature relatedness were more likely to report healthful dietary intake, including greater dietary variety and higher fruit and vegetable consumption.”
The research team surveyed over 300 adults in Philadelphia to measure their self-reported connection to nature, including their experience with and perspective of nature, and the foods and beverages they had consumed the previous day to assess their dietary diversity and estimate their daily fruit and vegetable consumption. Survey participants mirrored demographic characteristics (gender, income, education and race) of Philadelphia, as of the 2010 census. The data were collected between May and August 2017. The results of the survey showed that participants with a stronger connection to nature reported a more varied diet and ate more fruits and vegetables.
“This work can impact health promotion practices in two ways,” said Milliron. “First, nature-based health promotion interventions may increase nature relatedness across the lifespan and potentially improve dietary intake. And second, augmenting dietary interventions with nature-based activities may lead to greater improvements in dietary quality.”
The research team added that these findings highlight the potential for leveraging nature-based experiences or interventions such as incorporating green spaces or urban greening into city planning, integrating nature- and park-prescription programs into healthcare practices (similar to the Canadian model) and promoting nature-based experiences in the classroom settings, among many others.
But, the researchers noted, while improving dietary intake through nature-based interventions may be valuable, it is also complex.
“Future research should explore the ways different communities experience and value nature,” said Dane Ward, PhD, assistant teaching professor in the College of Arts and Sciences and co-author of the study. “It needs to include how the intersections of environment, culture, race, history (including connection to land), social cohesion and other social and economic factors influence community identity relative to nature relatedness and dietary intake.”
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