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Everyone has one nostril that is larger than the other.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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.
Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
![The blood cells are shown in (a)–(f) and the tissue white blood cells are shown in (g), (h), and ...](https://biology-forums.com/gallery/31/medium_398119_11_07_17_2_55_15_314591703.jpeg)
![Mucosa-associated lymphoid tissue (MALT), including tonsils, adenoids, and gut-associated lymphoid ...](https://biology-forums.com/gallery/31/medium_398119_11_07_17_2_57_04_31475611.jpeg)