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Q: How do infrared saunas differ from regular saunas, and do they have special health benefits?
A: Traditional saunas use a wood stove or electric heater to heat the air, which indirectly heats the body. In contrast, infrared saunas use radiant heat (energy beyond the wavelength of visible light) to heat the body directly.
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Q: What is seborrheic dermatitis, and what can I do about it?
A: Seborrheic dermatitis (also called seborrhea) is a chronic inflammatory skin condition that results in a red, oily rash with white flaking scales.
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UC Berkeley Wellness Letter, December 2011

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