Weak salt water can be used to cleanse wounds.
Chills can be warded off with a cup of hot water and a pinch of pepper.
Gargling salt water will help reduce the impact of throat congestion and relieve a sore throat.
Lemon in hot water with a little honey is a tonic to fight off the start of a cold.
Lemons in a tea can also be used to relieve a mild headache.
Vinegar can be used in stings.
Onions will ward off winter chills and in warm water help with sunstroke.