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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.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
![Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat](https://biology-forums.com/gallery/47/medium_46687_08_12_14_5_05_08_195362384.jpeg)
![Running time on 100-meter sprint for men and women master athletes increases with age. Source: Korho](https://biology-forums.com/gallery/47/medium_102911_16_06_15_7_18_43_220328.jpeg)