Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
Summation of Heart Sounds, S4
Back muscles
The primary factors affecting blood pressure.
Vessels of the heart: Anterior
Normal conduction pathway in the heart
Using the measuring device to give the correct dose to children