|
|
Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
![Cast of Isotelus rex, the largest known trilobite from the middle to upper Ordovician of North Ameri](https://biology-forums.com/gallery/47/medium_12359_29_04_12_6_05_29.jpeg)
![A PCV valve shown in a cutaway valve cover showing the baffles that prevent liquid oil from being ...](https://biology-forums.com/gallery/30/medium_548020_01_06_17_5_17_24_30123356.png)