A drug is any chemic you take that affects the fashion your corpse works. Alcohol, caffeine, aspirin and nicotine are each drugs. A drug must be able to pop off from your body into your genius. Once inside your judgement, drugs can change the messages your brain cells are seting to each other, and to the rest of your body. They do this by interfering with your brains own chemical signals: neurotransmitters that transfer signals across synapses.
How do painkillers work?
When part of your body is injured, special nerve endings send pain messages back to your brain. Painkilling drugs interfere with these messages, either at the rank of the injury, in the spinal cord or in the brain itself. Many painkillers are based on one of dickens naturally occurring drugs: aspirin and opiates. Aspirin uses a chemical shew in willow bark, used by the Ancient Greeks to exempt pain. Opiates all work in a similar way to opium, which is extracted from poppies
What is aspirin?
In 1899, chemists extracted the painkilling ingredient of willow bark and make aspirin from it. Aspirin reduces fever and relieves pain caused by punk (as in arthritis or a sore throat). It works by reducing swelling and stopping the pain message change of location to the brain.
Other synthetic drugs similar to aspirin, such as ibuprofen, hurl the same effect but have fewer side-effects.
bill :
Aspirin or acetylsalicylic acid, is a derivative of salicylic acid that is a mild, nonnarcotic analgesic useful in the relief of headache and go through and joint aches. The drug works by inhibiting the production of prostaglandins, body chemicals that are necessary for blood clotting and which also change nerve endings to pain.The father of modern medicine was Hippocrates, who lived sometime between 460 B.C and 377 B.C. Hippocrates was left historical records of pain relief treatments, including the use of pulverize made from the bark and leaves of the willow tree to help touch on headaches, pains and fevers.By 1829,...If you want to get a full essay, monastic order it on our website: Ordercustompaper.com
If you want to get a full essay, wisit our page: write my paper
No comments:
Post a Comment