|
|
Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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.
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
![Aristolochic acid (AA), a component of birthwort,a plant used in herbal remedies since ancient times](https://biology-forums.com/gallery/47/medium_12359_10_04_12_12_20_40.jpeg)
![This lithograph of the New York draft riots, 1863, shows that although the rioters mainly targeted b](https://biology-forums.com/gallery/47/medium_376021_22_08_15_1_40_22_22354943.jpeg)