What is Marijuana?
Marijuana is a mixture of the dried leaves and inflorescence of the plant Cannabis Sativa also called the Indian hemp. It may either be green, brown, or gray.
What is the active ingredient of Marijuana?
The active main ingredient of marijuana is a substance called 9 THC. THC is a psychoactive substance and is responsible for most of the effects of smoking marijuana. Apart from THC, weed smoke contains over 400 chemicals of which 66 belong to the cannabinoids family. The potency of the stuff is directly proportional to the proportion of THC. This value is constantly rising and presently on average, there is 10% THC in marijuana compared to 3-4% in the 1970s. On average, each reefer contains about .5-1 gm of marijuana.
What are the different forms of Marijuana?
Marijuana refers to the leaves and flowers of the cannabis plant which is smoked. The resin produced by the flowering tops contains about 10-25% of THC and the oil-based plant extract of the cannabis plant called hash oil contains about 25-60% of THC. Smoking is the commonest method of consumption of cannabis.
How Many people smoke Marijuana?
Marijuana is the most commonly used drug in the US and much of the world. In the US it is estimated that 37% of teens have smoked at least one reefer in their lives. It is estimated that a further 5-10% of these individuals could abuse cannabis on a chronic basis. Cannabis use is widespread in the southeast and central Asia and buy weed online.
What Are the Short-Term Effects of Marijuana Use?
The immediate effects of marijuana are euphoria, disinhibition, a general feeling of goodness, altered sensory perceptions, inattention, insomnia, loss of memory, and poor reflexes. The active ingredient THC crosses the blood-brain barrier and stimulates specific receptors in a midbrain structure called nucleus accumbens. This leads to the release of dopamine, a central exogenic neurotransmitter. This activates the pleasure pathway comprising the hippocampus and limbic pathway. With constant use, the individual becomes psychologically addicted to marijuana.
The two physical effects of marijuana use are conjunctival injection and increased heart rate. The increase in heart rate stabilizes over time and a degree of tolerance develops to this effect of marijuana.
Marijuana like other drugs can affect judgment and enhance inappropriate behavior. Hence there is an increased risk of conditions like high-risk sexual behavior leading to HIV, pregnancy, etc.