Onion syrup, made by cooking onions with honey or sugar, is a homemade cough remedy that can help ease a persistent cough.
Beet juice drunk daily has been shown to lower blood pressure even in people with hypertension. Don't like beets? How about beet lemonade?
If blood tests reveal too much potassium, you are at risk for scary heart rhythms. What causes hyperkalemia? How can you monitor potassium?