Being around trees can make people feel happier or less stressed.
Claim Language
Language Strength
definitive
Uses definitive language (causes, prevents, cures)
The verb 'improves' is definitive because it directly states a cause-and-effect relationship without qualifiers like 'may' or 'likely'.
Context Details
Domain
psychology
Population
human
Subject
Spending time in the presence of trees
Action
improves
Target
human mood
Intervention Details
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.
Evidence from Studies
Supporting (2)
Effects of Walking in Bamboo Forest and City Environments on Brainwave Activity in Young Adults
This study found that people felt happier and less anxious after walking in a bamboo forest compared to walking in a city, which means being around trees really can boost your mood.
From Forest to Focus: The Interactive Effects of Nature Exposure and Nature Relatedness on Attention, Brain Activity, Heart Rate Variability, and Mood.
The study showed that even just looking at pictures of nature made people feel better, which means being around trees probably does too.