Sun exposure for vitamin D synthesis
Take the summer sun bare-armed. Take D3 all winter.
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Low-level laser device
Get finasteride and minoxidil working first. The cap is what you add after.
Blue light phototherapy for acne vulgaris
Use a cheap mask with your eyes shut. Don't pay clinic prices for light.
Red LED face mask
Do the full 30 sessions with the red mask or don't buy it at all.
Intranasal low-level light therapy
Skip the nose light. Nothing's been measured in a person yet.
Transcranial photobiomodulation
Don't buy the light-therapy headset. It didn't beat a fake one.
Transcranial near-infrared LED
Save the helmet money until somebody tests one on a healthy brain.
Photobiomodulation for exercise performance and recovery
Don't buy a red light panel for recovery. That win belongs to clinic lasers.
850 nm near-infrared panel
Skip the panel. The pain data came from lasers pointed at arthritic knees.
660 nm red light panel
Buy a red light panel for your skin or don't buy one at all.
Septoplasty for nasal airway obstruction
Book the ENT referral. Six months of steroid spray won't unbend cartilage.
Nasal saline irrigation
Rinse your nose with distilled or boiled water. Never straight from the tap.