Chinese people using a salt substitute with potassium chloride were less likely to have high blood pressure or a stroke than those on salt.
Many doctors believe that desiccated thyroid gland (Armour, etc.) is unreliable, but many patients feel better on it.
Smearing Vicks VapoRub on the soles of the feet offers remarkable relief for a nighttime cough. We even think we know why it works!