Frontier mental health research: psychedelics & drug studies

Each month our editorial team sifts through hundreds of papers and curates notable findings—for practitioners and informed readers who want to stay current with the evidence. Subscribe to the monthly Research Digest for expert analysis and concise summaries of key papers.

3 papers

Therapeutic effect of forest bathing on human hypertension in the elderly

Genxiang Mao, Yong-Bao Cao, Xiao-Guang Lan, Zhihua He, Zhuo-Mei Chen, Yazhen Wang, et al.
Journal of Cardiology Summary & key facts 2012 227 citations

In a randomized trial of 24 elderly people with essential hypertension (12 in each group), one group spent 7 days and nights in a broad‑leaved evergreen forest and the other stayed in an urban area. After the trip, the forest group had a significant drop in blood pressure compared with…

Biofield Effects and Biophysics Therapeutic Uses of Natural Elements Urban Green Space and Health

Effects of different natural soundscapes on human psychophysiology in national forest park

Zhengkang Bai, Shuangquan Zhang
Scientific Reports Summary & key facts 2024 29 citations

Researchers studied visitors at Zhangjiajie National Forest Park in China. They measured brain signals (EEG) and used a short mood scale (POMS). Listening to natural sounds led to clear, positive changes in both psychological and physiological measures (p = 0.001). A combined multi-element natural soundscape worked best overall, outperforming single-element…

Noise Effects and Management Urban Green Space and Health Urban Heat Island Mitigation

Natural soundscapes enhance mood recovery amid anthropogenic noise pollution

Lia R. V. Gilmour, Isabelle Bray, Chris Alford, Paul R. Lintott
PLoS ONE Summary & key facts 2024 6 citations

Researchers played three 3‑minute sound recordings to 68 university students: a natural dawn chorus of birds, that same recording with added traffic noise recorded at a 20 mi/h road, and the recording with traffic from a 40 mi/h road. Participants reported the lowest anxiety and stress and the most positive…

Multisensory perception and integration Noise Effects and Management Urban Green Space and Health
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