Research / Evidence reviews

Health evidence reviews: benefits, harms and uncertainty

Compare findings across studies, including potential benefits, harms, evidence quality and the limits that matter for health decisions.

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Evidence reviews

Topic
Topic

Evidence review

Do NMN and NR supplements slow aging in humans?

Published:

Review the human evidence for NMN and NR: NAD levels, insulin sensitivity, cognition, walking ability and the gap between biomarkers and longer life.

Updated
Sep 7, 2026
Evidence status
Developing

Evidence review

Exercise for depressive symptoms: an evidence map

Published:

What randomized reviews support about exercise for depression, where confidence falls, and how to place activity inside complete care.

Updated
Sep 18, 2025
Evidence status
Developing

Evidence review

Omega-3 supplements for cardiovascular prevention

Published:

Separate eating fish, ordinary fish-oil supplements, and prescription omega-3 products when assessing cardiovascular evidence and risk.

Updated
Sep 8, 2025
Evidence status
Mixed