-
What does the color of sputum tell you? Understanding white phlegm, yellow phlegm, black phlegm, and frothy phlegm
What does the color of sputum tell you? Understanding white phlegm, yellow phlegm, black phlegm, and frothy phlegmSputum, a common pathological product of the human body, its color and form often reflect the health condition of the lungs and the inside of the body. Different types of phlegm, such as white phlegm, yellow phlegm, black phlegm, and frothy phlegm, all convey different health signals
