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Guess what? It still does those things today. Vinegar, placed on a wound will help swelling and inflammation go down and it's useful to relieve the pain of sunburn and other burns. If you spray some on a sunburn right away, it will keep the skin from peeling so badly as it heals.
It's great as a cough and sore throat medicine, mixed with honey and a little water. Drink it hot for the best effect.
Vinegar provides your body with potassium, calcium, copper, magnesium, phosphorus and iron. Because of that, it can relieve headaches, lower blood pressure and guard against gout and other arthritis.
And that's just the tip of the iceberg, as they say.