Get your Brain Health Score (in 4 mins) Take the quiz

Rest of World

How does nicotine affect the brain?

Nicotine can affect your lungs, heart, eyes, immune system…but it’s important to know how it affects the brain, too.

the-brain icon 07
July 25, 2022
4 min read

Everyone knows (or should know by now) that smoking, and by extension, nicotine is bad for you. Most people are aware of the damage consuming nicotine can do to the lungs, teeth, skin—but you might be asking, how does nicotine affect the brain? 

Nicotine is an addictive stimulant that has a number of positive and negative effects on the brain, depending on the amount you consume. Small amounts can lead to increased alertness and improved cognitive performance, while larger amounts can lead to addiction and other negative health effects.

Article breakdown

How does nicotine affect the brain?

Nicotine stimulates the release of dopamine, a neurotransmitter associated with pleasure and reinforcement. Dopamine is released when we do something that feels good. Dopamine is released in the brain's reward centre, which reinforces the feel-good behaviour, and makes us want to repeat it—otherwise known as addiction.

Repeated exposure to nicotine leads to changes in the brain that can result in cravings and long-term addiction. If you decide to quit, nicotine withdrawal can cause also symptoms like anxiety, irritability and difficulty concentrating.

Does nicotine make you smarter?

Nicotine has been shown to have positive effects on attention, memory, reaction time, and task flexibility. Studies have also found that nicotine can improve task. The cognitive benefits of nicotine are thought to be due to the drug's ability to enhance neurotransmission in the brain.

However, there is also evidence that nicotine can lead to impaired decision-making and can disrupt the part of the brain that controls attention, learning, moods and impulse control. Therefore, it's important to be aware of the risks before using any products that contain nicotine.

Get your Brain Health Score in 4 minutes

Take the quiz

Does nicotine affect brain memory?

While nicotine can be a dangerous and addictive substance, it has been found to improve short-term and long-term memory in some studies.

Nicotine affects a number of neurotransmitters in the brain, including acetylcholine, which is involved in learning and memory. Studies have shown that nicotine can improve memory in some people, but it's also been shown to impair memory in others.

How does nicotine affect the developing brain?

Smoking or vaping during adolescence can have a number of negative effects on the developing brain. Nicotine has been found to impair brain development in animals, and it is likely that it has similar effects in humans.

The developing brain is more susceptible to the effects of nicotine than the adult brain, and ingesting nicotine as a teenager is likely to increase your risk of developing cognitive deficits and addiction.

How does nicotine affect the body?

Nicotine has a number of negative effects on the body, increasing your risk of:

  • high blood pressure

  • constricted blood vessels

  • heart disease

  • cancer

  • stroke

  • respiratory diseases

If you are considering using any products that contain nicotine, including gum, vaping, and patches, it's important to be aware of the risks.

How long does it take for your brain to recover from nicotine?

If you decide to quit nicotine, it can take several weeks for the brain to recover from nicotine withdrawal. During this time, people may experience symptoms such as cravings, anxiety, and irritability. After the brain has recovered from nicotine withdrawal, people may still have difficulty concentrating and making decisions.

What are the long-term effects of nicotine on the brain?

Long-term effects of nicotine on the brain can include addiction, mood disorders, and impaired cognitive function. Nicotine is a highly addictive substance, and people who smoke, vape, or use nicotine products are at increased risk of developing an addiction. Long-term nicotine use can also lead to changes in brain structure and function, resulting in mood disorders such as depression and anxiety, and can impair cognitive function.

Nicotine affects different people in different ways, so it is important to be aware of the risks before using products containing nicotine. If you or someone you know is struggling with nicotine addiction, there are plenty of resources available to help you quit.

  • Smart Supplement
  • Braincare Journal
Rest of World
© 2022
This product is not designed to replace a varied and balanced diet. Do not exceed stated dose. If you are pregnant, breastfeeding or taking any medication, please consult your doctor before use. Do not use it if the seal has been tampered with. Store in a cool, dry place. Keep out of reach of children.
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease