The old water-cure doctors swore by it, and a three-thousand-person trial put it to the test. Here’s how people use a cold finish or hot-cold switch in the shower, what they report, and who should skip it.
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Wheatgrass shots and barley-grass powders have been sold as "detox" and "blood-builders" since the 1940s. Here is where the habit came from, what the small human trials found, how people use them, and the raw-sprout, wheat-allergy, coeliac and warfarin cautions.
Licorice Root
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Raw Honey and Manuka Honey
A spoonful of honey is one of the oldest cough remedies there is, and modern reviews back it up for children's coughs and cold symptoms. Here's what raw and manuka honey can and can't do, how manuka is graded, and the one rule every parent needs: no honey before the first birthday.
Iron
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Fermented Foods (sauerkraut, kimchi, kefir)
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Salt Water Gargle
One of the oldest kitchen remedies there is. Here's what the research says about salt water gargling, how people make it, and when a sore throat needs a doctor instead.
