Hot yoga raises body heat, but added health benefits remain unproven
Heated sessions raised temperature and heart rate. Evidence for longer-term benefits was limited, and superiority over other yoga or exercise was unsubstantiated.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Hot yoga produced immediate physiological responses and showed possible benefits in some longer-term health and function measures. The review did not establish that heating the room adds health benefits beyond other yoga or exercise. Psychological findings remained inconclusive, and reports of illness after practice prevent a simple claim of overall safety.
Some studies lacked rigorous designs or detailed measurements. This abstract-based account has no pooled effect sizes to assess, and the varied yoga styles and conditions make the overall benefit difficult to characterize.
What researchers found
Energy demands during a session
Hot yoga versus non-heated yoga during single sessions; effect size and uncertainty are not reported in the abstract.
Heat and exercise demand differ
Body temperature and heart rate rose during hot yoga without a reported increase in energy demands versus non-heated yoga. A higher heart rate here cannot, by itself, demonstrate greater exercise benefit.
Longer-term findings need context
The review described possible changes in body composition, blood lipids, balance and flexibility. These appeared to occur without adverse effects on kidney function or sleep quality, but reported illness after practice means overall safety remains uncertain.
The original publication
Hot Yoga: A Systematic Review of the Physiological, Functional and Psychological Responses and Adaptations.
Willmott AGB, James CA, Jewiss M et al.
Sports Med Open · 2025
- PubMed ID
- 41032153
- Record checked
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