Bitter leaves relieve stomach ache, possess antimalarial properties to combat malaria caused by the Plasmodium parasite. Bitter leaves fights pneumonia, a lung inflammation disease that inflames the air sacs in one lung (single pneumonia) or both lungs (double pneumonia). It combats prostate cancer and helps to treat Inflammation. Bitter leaves also stimulate bile and hydrochloric acid production, stimulates nervous and immune system function. Interestingly, it also combats fatigue and exhaustion.