This citrus fruit ranks very high in its medicinal value, having many therapeutical uses. Lemon juice is a natural antiseptic which may be safely applied directly to cuts, bruises and infections. Lemon juice is good for asthma, headaches, pneumonia, and arthritis. It is a good general blood and body purifier and a mild diuretic. Do not take in cases of inflammations of the digestive tract. The juice also aids in the removal of old drug poisons from the body!