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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
Blood is approximately twice as thick as water because of the cells and other components found in it.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.