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Smoking and Brain Chemistry

for 17 år siden 0 +0 / -0 8760

Thanks for the bump! Danielle _____________________ The SSC Support Team

for 17 år siden 0 +0 / -0 1040

Why we quit. -Bump- [B]My Milage:[/B] [B]My Quit Date: [/B] 3/6/2007 [B]Smoke-Free Days:[/B] 33 [B]Cigarettes Not Smoked:[/B] 840 [B]Amount Saved:[/B] $305.25 [B]Life Gained:[/B] [B]Days:[/B] 5 [B]Hrs:[/B] 11 [B]Mins:[/B] 26 [B]Seconds:[/B] 8

for 18 år siden 0 +0 / -0 394

JUST ADDING MORE READING MATERIAL TO THIS THREAD RUSTY STARTED [/u]Nicotine Rewires Brain's Reward System August 28, 2000 Even the first few puffs from a cigarette can have your brain begging for more, because nicotine alters the brain's reward areas, according to scientists at the University of Chicago Medical Center. By uncovering and understanding these cellular mechanisms of nicotine's effects, they believe new drugs can be designed to block the powerful craving that nicotine creates. The brain's reward areas serve to reinforce healthy behavior, such as eating when you're hungry. Dopamine, a neurotransmitter associated with pleasant feelings, is released by these reward areas to encourage the body to repeat these behaviors. However, drugs like nicotine that stimulate the brain can bypass these normal reinforcement pathways, providing the same rewards for harmful behaviors as for beneficial ones. The initial exposure to nicotine can be remembered by the brain, which will amplify the effects of the drug and boost the desire to have another cigarette, according to the study published in the August 2000 issue of Neuron. Nicotine appears to cause addiction by strengthening the excitatory connections between the neurons that make dopamine, which are found in the ventral tegmental area (VTA) of the brain reward center. This strengthening excites the neurons, which then release dopamine into the reward center. "This appears to be the crucial first step in the process of addiction," said neurobiologist Daniel McGehee. "Now that we know how this happens, we can begin to search for better ways to intervene." In studies with rats, McGehee and Dr. Huibert Mansvelder demonstrated how nicotine takes control of the brain's reward pathways. Nicotine alters the connections between neurons using a process that is similar to the cellular mechanisms that create memory. "In this way, the brain erroneously learns that the intake of nicotine was good and remembers sensations it caused," said Mansvelder. This reinforcing effect is the primary reason people get hooked on smoking and can't quit, despite knowing the harmful effects the behavior. Nicotine dependence has been estimated to cause 70 times more deaths in the United States than all other types of dr

for 18 år siden 0 +0 / -0 8760

Thanks for sharing this Rusty & Ann, more proof that quitting really is the best decision you could ever make. Danielle ____________________________ The SSC Support Team

for 18 år siden 0 +0 / -0 1070

I love this kind of reinforcement! If not for this I may have smoked. I have always known smoking was bad but this kind of information solidifies my quit 100% [B]My Milage:[/B] [B]My Quit Date: [/B] 5/15/2006 [B]Smoke-Free Days:[/B] 49 [B]Cigarettes Not Smoked:[/B] 990 [B]Amount Saved:[/B] $220.5 [B]Life Gained:[/B] [B]Days:[/B] 3 [B]Hrs:[/B] 12 [B]Mins:[/B] 37 [B]Seconds:[/B] 10

for 18 år siden 0 +0 / -0 962

More reinforcement to get your friends and family to quit - surprised to read about the estrogen factor in women's lungs - Wow! I had no idea. Thanks for all this information and ammunition against the nicdemon! Island Girl [B]My Milage:[/B] [B]My Quit Date: [/B] 2/21/2006 [B]Smoke-Free Days:[/B] 133 [B]Cigarettes Not Smoked:[/B] 1,335 [B]Amount Saved:[/B] $266 [B]Life Gained:[/B] [B]Days:[/B] 15 [B]Hrs:[/B] 14 [B]Mins:[/B] 3 [B]Seconds:[/B] 54

Quit Meter

$1,712,737.50

Amount Saved
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Days: 5669 Hours: 18

Minutes: 56 Seconds: 3

Life Gained
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45673

Smoke Free Days
Quit Meter

1,370,190

Cigarettes Not Smoked

for 18 år siden 0 +0 / -0 1450

And when it comes to smoking addiction, women take the biggest hit. [quote][color=blue]The 22.3 million American women who smoke experience more wheezing, coughing, breathlessness and asthma than men who smoke, even if they light up less often, says Jill Siegfried, Ph.D., at the University of Pittsburgh. Among men, lung cancer is decreasing; for women, it's on the rise. Researchers don't know exactly why damage is more severe in women, but estrogen may play a role. Researchers think estrogen releases chemicals in the lungs that cause the cells to divide. That in turn thickens the airways and stimulates cells with mutations to form tumors. Estrogen may also convert chemicals in cigarette smoke to carcinogens. [/quote][/color] I think I'll stay quit. And I expect all of you girls to stay quit with me. ;) [color=blue][font=Tahoma]All the best~[/color] [img]http://img291.imageshack.us/img291/6922/n3us.gif[/img][size=3][color=blue]2[/color][/size][img]http://img133.imageshack.us/img133/2344/k6ob.gif[/img][/color] [B]My Milage:[/B] [B]My Quit Date: [/B] 8/20/2005 [B]Smoke-Free Days:[/B] 318 [B]Cigarettes Not Smoked:[/B] 7,007 [B]Amount Saved:[/B] $1590 [B]Life Gained:[/B] [B]Days:[/B] 30 [B]Hrs:[/B] 5 [B]Mins:[/B] 33 [B]Seconds:[/B] 5

for 18 år siden 0 +0 / -0 586

As much as I've read, it's information like this that still amazes me. Just one thing.... [quote] This reinforcing effect is the primary reason people get hooked on smoking and can't quit, despite knowing the harmful effects the behavior. [/quote] There is no such word as "can't" in this neighborhood! We're doing it... Thanks for the interesting info :) [B]My Milage:[/B] [B]My Quit Date: [/B] 2/2/2005 [B]Smoke-Free Days:[/B] 516 [B]Cigarettes Not Smoked:[/B] 10,333 [B]Amount Saved:[/B] $1842.12 [B]Life Gained:[/B] [B]Days:[/B] 54 [B]Hrs:[/B] 16 [B]Mins:[/B] 59 [B]Seconds:[/B] 52

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$19,683.40

Amount Saved
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Days: 740 Hours: 5

Minutes: 10 Seconds: 0

Life Gained
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5060

Smoke Free Days
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101,200

Cigarettes Not Smoked

for 18 år siden 0 +0 / -0 1115

Good to know. Thanks Rusty and Ann. More and more reasons to stay in the "we quit" group. :) Not cravin', never cavin'. Hummy [B]My Milage:[/B] [B]My Quit Date: [/B] 5/5/2005 [B]Smoke-Free Days:[/B] 424 [B]Cigarettes Not Smoked:[/B] 16,997 [B]Amount Saved:[/B] $2756 [B]Life Gained:[/B] [B]Days:[/B] 55 [B]Hrs:[/B] 2 [B]Mins:[/B] 34 [B]Seconds:[/B] 36

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$474,999.20

Amount Saved
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Days: 5846 Hours: 4

Minutes: 22 Seconds: 36

Life Gained
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45673

Smoke Free Days
Quit Meter

913,460

Cigarettes Not Smoked

for 18 år siden 0 +0 / -0 2462

bump for Ann [B]My Milage:[/B] [B]My Quit Date: [/B] 12/13/2004 [B]Smoke-Free Days:[/B] 567 [B]Cigarettes Not Smoked:[/B] 15,888 [B]Amount Saved:[/B] $1984.5 [B]Life Gained:[/B] [B]Days:[/B] 78 [B]Hrs:[/B] 1 [B]Mins:[/B] 15 [B]Seconds:[/B] 16

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$57,501.60

Amount Saved
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Days: 691 Hours: 21

Minutes: 22 Seconds: 42

Life Gained
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5529

Smoke Free Days
Quit Meter

221,160

Cigarettes Not Smoked

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Smoking and Brain Chemistry