Vaccines prevent between 2.5 and 4 million deaths every year.
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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
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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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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
Insect Spy Drone
Melodic Intonation Therapy
A BQM-74E drone as it leaves the flight deck of a missile frigate.