Your Brain on Drugs Marijuana
For centuries, humans have been using substances to alter their state of mind. From caffeine, cigarettes and alcohol to more extreme drugs. But as the most commonly used illicit drug in North America, Where does marijuana fit in and how exactly does it affect your brain First, we need to understand how the brain functions. Neurons are the cells that process information in the brain. By releasing chemicals called neurotransmitters from the axon of one neuron to the dendrite of another they change the electrical charge of the receiving neuron consequently exciting or inhibiting it.
If excited, the signal is passed on. Though it sounds simple these signals work together and the effect is quickly compouned into complex configurations within milliseconds flashing over the entire brain. This is what happens every single time you think, breathe or move. So what is going on inside your brain when you're smoking marijuana Well unlike alcohol, which contains molecules nothing like those in our body, cannabis contains molecules that resemble those produced in our very own brains cannabonoids. Although naturally these cannabonoids circulate at much lower quantities compared to the large influx imposed by smoking,.
Specifically the chemical tetrahydrocannabinol or THC resembles a natural transmitter called anandamide. These cannabonoids are specialized neurotransmitters released by neurons having just fired. Neurons temporarily become unresponsive after firing to prevent them from overracting or being too dominant. This allows your brain to function in a calm and controlled manner. But cannabonoids interrupt this approach in some parts of the brain. Instead, they remove the refractory period of neurons that are already active and can cause your thoughts, imagination, and perception to utterly magnify itself. This means, once you begin your train of thought.
It becomes the most significant and profound thing ever. You can't see the big picture or even recall your last epiphany because you're caught up in the momentum of a particular idea and your neurons keep firing until a new idea takes hold and you go off on a new tangent. These cannabonoids also affect the levels of dopamine and norepinephrine in your brain often leading to a sense of euphoria, relaxation, pain modulation and general enhancement of an experience, though sometimes causing anxiety. Furthermore, there are cannabonoid receptors in areas controlling shortterm memory, learning, coordination, movement control.
Nicotines Effect on Body
NIcotine's effect on body By MinJeong Park Seo Young Park Nicotine is one of the destructive drugs that kills more people than any other accidents or drug. As you may know, nicotine is one of the composition of tobacco smoke. Growing naturally, an oily liquid which is colorless. It is found in tobacco leaves, roots, and seeds. every time a person smokes, that person takes in 0.05 milligrams to 2 milligrams of nicotine. That nicotine spreads through the blood and reaches the brain in a few seconds. When it reaches the brain the person feels pleasure and happiness.
But it only lasts for a bit making the person want to smoke more. If the person continues the cycle, that's what leads to the nicotine addiction. Now let's talk about how nicotine affects the body. There are many effects that nicotine will leave on the body. Approximately 480,000 people die of smoking or being close to smoke. cigarettes contain more than 7000 different chemicals First of all, Cancer. Cigarettes have about 70 chemicals that allow cancer to occur in the body. Nicotine is the number one reason that people get lung cancer.
As well as other cancers in different other organs. It may also lead to different problems in the lungs. Smoke can cause emphysema Which is the condition that lungs can not expand or shrink back Giving the person difficult breathing. It can even cause pneumonia Then your heart. The heart is another part of the body which gets harmed. Consuming nicotine can make the heart rate increase as well as the blood pressure. Blood pressure also becomes a target too. After breathing in smoke, the cells in the blood vessels react with the chemical.
Which leads to a disease called atherosclerosis It fills a waxy substance in the blood vessels and eventually gets harder from this illness it can cause heart attacks or even death. other diseases are there that can also cause death. even breathing in smoke can make the blood vessels get thicker and narrower That makes it difficult for the the blood to transfer through your body Another scary illness is leukemia There are other things that nicotine does to the body. First it increases the heart rate by 2 to 3 beats per minute.
Coreg CR For the Treatment of Heart Failure and High Blood Pressure in Adults Overview
Coreg CR, the brandname form of carvedilol, is a prescription medication used to treat symptoms of heart failure and high blood pressure in adults. Coreg CR belongs to a group of drugs called beta blockers. These work by relaxing blood vessels and decreasing the heart rate to improve blood flow and reduce blood pressure. This medication comes in capsule form and is usually taken once a day with food. Common side effects of Coreg CR include a slower heart rate, fatigue, and shortness of breath. Coreg CR can also cause dizziness. Do not drive or operate heavy machinery until you.
Officials Crack Down on Nicotine Products
The American Academy of Pediatrics AAP, a leading authority on children's health issues, is looking to clear the air on tobacco product use. I'm Shelby Cullinan with your latest health news. In a set of policy statements, the AAP has issued new recommendations to protect US children and teens from the harmful effects of tobacco and nicotine products. In what may be the most striking recommendation, the AAP now says the minimum age to purchase tobacco products including electronic cigarettes ecigs should be raised to age 21 nationwide. According to the AAP, it's imperative that policymakers at the international, national,.
Health Claims of ECigs May Be Going Up in Smoke
I'm Rachelle Grossman with today's health news. A new warning about ecigarettes is emerging and this time, nicotine may not be the issue. A new study found that ecigarette vapors may damage the cells in the lining of the lungs, whether they contain nicotine or not. Researchers looked at whether smoking ecigs could affect the structure of the lungs by looking at both human and mouse cells when they were exposed to cigarette smoke AND an ecigarette solution that either contained nicotine or was nicotinefree. What's interesting is that nicotinefree ecig solutions were also found to include lungharming substances.
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