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Did you know?
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Did you know?
It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Did you know?
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
![Varicella or chickenpox, a viral skin infection. In this photograph, the rash is beginning to form s](https://biology-forums.com/gallery/47/medium_14755_16_09_12_6_01_25_87781652.jpeg)
![Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i](https://biology-forums.com/gallery/47/medium_14755_16_10_12_12_26_16_94272360.jpeg)