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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.
A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
![Skin structure, including the three layers of the skin and the accessory organs: sweat gland, sebace](https://biology-forums.com/gallery/47/medium_14755_16_09_12_5_57_13_87522080.jpeg)
![A color-enhanced scanning electron micrograph of a neuron cell body (grey) studded with terminal ...](https://biology-forums.com/gallery/30/medium_548020_02_06_17_12_10_54_302112039.png)