Stimulant drugs are thought to alter the activity of key neuotransmitters, dopamine and noradrenaline, in the brain. These neurotransmitters help with attention and focus, among other things. Stimulants increase the amount of dopamine and noradrenaline in the tiny gaps between neurons, known as syna...
ADHD medications work in different ways to improve ADHD symptoms. The main types of ADHD medications include: Stimulants: Stimulants increase the levels of two neurohormones (catecholamines)dopamineand norepinephrine in the brain. Catecholamines regulate attention, thinking, pleasure and movement. Increase...
Cocaine is a stimulant drug derived from the coca plant (Erythroxylum coca). Coca is native to South America, and the indigenous people of Peru and Bolivia have used the plant for centuries, chewing on its leaves to stay alert and ward off hunger and thirst. In 2021, 4.8 million people ...
Stimulants are generally used to help athletes stay alert, reduce fatigue and maintain aggressiveness. They act on the body to make the heart beat faster, the lungs breathe faster and the brain work faster. Stimulants include caffeine, amphetamines and cocaine. Possible side effects include nervous...
Some studies, though, suggest it may just be the ritual of smoking that induces a calming effect, because nicotine is actually considered a stimulant, not a depressant. When you first inhale, nicotine causes your body to release the hormone epinephrine, which is the "fight or flight" hormone...
2. How do cholinergic drugs work when treating glaucoma? They decrease pressure in the eye and decrease fluid amounts. They decrease pressure in the eye and lower blood pressure. They decrease fluid in the eye and dilate the pupil.
Different anesthetics work in distinct ways. Local anesthetics, for example, work by preventing nerve cells from sending pain signals to the brain. More specifically, the drugs do so by stopping the flow of charged sodium molecules, or ions, through channels in the nerve cells. It's this flow...
Stimulants, such as cocaine and amphetamines, are drugs that act on the central nervous system to increase alertness and energy. They can cause feelings of euphoria, increased heart rate and blood pressure, decreased appetite, insomnia, paranoia, anxiety, and aggression. Stimulants also have a hi...
And that's what most people want after a long day at work, right? The problem is that relying on something like television to take away stress can become addictive behavior. And like addictive drugs, the longer you do it, the less of a reward you get from it. That's why, for ...
Later, it gained traction with counterculture types alongside other recreational drugs. Once shunned by the wealthy as a substance of the poor, meth now stands in as a substitute (or flat-out replacement) for cocaine and other stimulants in the inner city, rural areas and suburbs [source: ...