The following list of hypotheses are supported and are yet to be comprehensively reviewed or trialled:
- Nature-contact and nature-based interventions offer a cost-effective health solution across the continuum of need.
- Nature-based health interventions offer bio-psycho-socio-ecological healthcare.
- Applied in infancy, childhood and early adulthood, nature-contact and nature-based interventions could help to reduce the significant costs of providing downstream primary and mental health treatments.
- Nature-contact and nature-based interventions could help to reduce the significant fiscal burden of providing healthcare to aging populations.
- Nature-based interventions complement conventional treatments.
- Nature-based interventions may provide effective standalone treatment for a range of difficulties, disadvantages, disconnections and ailments.
- Practitioners and workforces may experience spin-off health benefits from delivering nature-based health interventions.
- Natural environments may experience spin-off benefits from the delivery of nature-based human health interventions in natural settings.