Decline
Attacks on the theories surrounding the ability of tobacco to cure diseases had begun early in the 17th century. King James I was scathing of its effectiveness, writing " will not deigne to cure heere any other than cleanly and gentlemanly diseases." Others claimed that smoking dried out the humours, that snuff made the brain sooty, and that old people should not smoke as they were naturally dried up anyway.
While certain beliefs regarding the effectiveness of tobacco smoke to protect against disease persisted until well into the 20th century, the use of smoke enemas in Western medicine declined after 1811, when through animal experimentation Benjamin Brodie demonstrated that nicotine—the principal active agent in tobacco smoke—is a cardiac poison that can stop the circulation of blood.
Read more about this topic: Tobacco Smoke Enema
Famous quotes containing the word decline:
“We can recognize the dawn and the decline of love by the uneasiness we feel when alone together.”
—Jean De La Bruyère (1645–1696)
“Considered physiologically, everything ugly weakens and saddens man. It reminds him of decay, danger, impotence; it actually reduces his strength. The effect of ugliness can be measured with a dynamometer. Whenever anyone feels depressed, he senses the proximity of something “ugly.” His feeling of power, his will to power, his courage, his pride—they decline with ugliness, they rise with beauty.”
—Friedrich Nietzsche (1844–1900)
“I heard a Californian student in Heidelberg say, in one of his calmest moods, that he would rather decline two drinks than one German adjective.”
—Mark Twain [Samuel Langhorne Clemens] (1835–1910)