Cannabis News

There is a troubling new research that teenagers smoking marijuana are not only affecting themselves, but they are maybe causing addiction in children they will have years down the road. Smoking marijuana has an effect during your lifetime on your brain and behavior. But now the study shows it can even last into your offspring, even though they did not themselves were directly exposed to marijuana.

Adolescent rats have been given an equivalent of 8 joints in a month, which permanently changed their brains. The changes were passed to their offspring. When those offspring grew up, they showed compulsive behavior and a strong appetite for heroin. It is not that marijuana changes the DNA sequence, but it changes how the DNA is marked. There are clear brain differences in the adult offspring. (source: FoxNews)

The amount of tar inhaled into lungs is four times that of an unfiltered cigarette. The tar attacks the hair-like cilia that protect the lungs and paralizes or destroys them. This allows the tar to penetrate leading to a greater risk of chronic bronchitis. once inhaled, the cannabis chemicals slip easily through the membranes lining the lungs and into bloodstream. The blood carries them from the lungs to the heart. Almost immediately, the blood vessels relax and dilate, allowing the blood to rush around the body. The body starts to feel warm as the excess blood flows to the skin. It surges to the tiny blood vessels in the eyes which turn red.

Lung cancer

As the blood spreads around the body, blood pressure starts to drop. If it drops far enough, it can trigger a fainting reflex. Within seconds of entering the bloodstream, the most powerful ingredient of cannabis, THC, travels in the blood up the spine and into the brain.

One of the fist effects is a buzz. Smoking marijuana may increase the risk of heart attack. The THC in the blood lowers the blood pressure. The heart senses it and starts to beat faster and faster, increasing its speed by 50%. so, experts consider cannabis a particularly bad idea for anyone with a history of heart trouble.



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Cannabis smoking may have a greater potential than tobacco smoking to cause lung cancer. Cannabis smoke is qualitatively similar to tobacco smoke, although it contains up to twice the concentration of the carcinogenic polyaromatic hydrocarbons. Cannabis is less densely packed than tobacco cigarettes, and tends to be smoked without filters to a smaller butt size, leading to higher concentrations of smoke inhaled. Furthermore, smokers of cannabis inhale more deeply and hold their breath for longer, facilitating the deposition of the carcinogenic products in the lower respiratory tract. These factors are likely to be responsible for the five-fold greater absorption of carbon monoxide from a cannabis joint, compared with a tobacco cigarette of similar size despite similar carbon monoxide concentrations in the smoke inhaled. The major finding has been that for each joint-year of cannabis exposure, the risk of lung cancer increased by 8%, with a 5.7-fold greater risk in those with more than 10.5 joint-years of cannabis use.

Marijuana affects the way people think, feel and move almost unmatched by any other substance. Our bodies are hard-wired to react to cannabis. Our brain tells our body what to do by using our nervous system. This living communication network stretches from our brain down our spine and out through our body. It allows us to see, hear and feel the world around us, and respond to it. When one smokes a joint, cannabis somehow penetrates deep into the brain and hijacks the nervous system, like an herbal terrorist. A THC molecule takes control of nerve cell receptors. Once it controls the receptors, it contros how they work.


 

 


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