HRD Claim Ledger
Health claims, checked against the source layer.
Each living brief separates what research directly tested from what marketing, headlines or everyday language imply.
Supported in some settings
Do saunas lower blood pressure?
Sauna and passive heat · Blood pressure
- Publications
- 15
- RCTs
- 4
- Fidelity
- Moderate
Association, not proof
Do saunas increase longevity?
Sauna bathing · Longevity and mortality
- Publications
- 4
- RCTs
- 0
- Fidelity
- Moderate
Limited direct evidence
Do infrared saunas lower blood pressure?
Infrared sauna · Blood pressure
- Publications
- 15
- RCTs
- 4
- Fidelity
- Moderate
Not established
Do infrared saunas detoxify the body?
Infrared sauna · Toxin elimination
- Publications
- 3
- RCTs
- 1
- Fidelity
- Low
Supported for perceived soreness
Does cold-water immersion reduce muscle soreness?
Cold-water immersion · Post-exercise muscle soreness
- Publications
- 24
- RCTs
- 12
- Fidelity
- High
Insufficient direct evidence
Do cold plunges increase testosterone?
Cold-water immersion · Testosterone
- Publications
- 2
- RCTs
- 2
- Fidelity
- Low
Promising but protocol-dependent
Does red-light therapy help knee pain?
Photobiomodulation / red light · Knee pain
- Publications
- 5
- RCTs
- 2
- Fidelity
- Moderate
Promising but highly protocol-dependent
Does red-light therapy reduce pain?
Photobiomodulation / low-level light · Pain
- Publications
- 25
- RCTs
- 15
- Fidelity
- Moderate
May help short-term symptoms
Does massage help lower-back pain?
Massage therapy · Lower-back pain
- Publications
- 6
- RCTs
- 4
- Fidelity
- High
Promising, still limited
Does floatation therapy reduce anxiety?
Floatation-REST · Anxiety and stress
- Publications
- 38
- RCTs
- 11
- Fidelity
- Moderate
Promising, protocol-sensitive
Does passive heating improve sleep?
Passive heating · Sleep
- Publications
- 4
- RCTs
- 1
- Fidelity
- Moderate
Mixed and outcome-dependent
Does contrast therapy improve exercise recovery?
Contrast water therapy · Exercise recovery
- Publications
- 21
- RCTs
- 5
- Fidelity
- High