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Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Did you know?
Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
Did you know?
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
Did you know?
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.