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Potential problems could include attention disorders like ADHD, impulse control issues and susceptibility to substance abuse

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Animal research by another Yale University scientist suggests that vaping during adolescence can lead to long-term brain changes,

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Animal research by another Yale University scientist suggests that vaping during adolescence can lead to long-term brain changes,

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The flavors added to nicotine products is also believed to offer a dopamine kick as well

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The flavors added to nicotine products is also believed to offer a dopamine kick as well

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"A very brief, low-dose exposure to nicotine in early adolescence increases the rewarding properties of other drugs, including alcohol, cocaine, methamphetamine — and these are long-term changes,"

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“Animal research by another Yale University scientist suggests that vaping during adolescence can lead to long-term brain changes, like attention deficit hyperactivity disorder” addy says.

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Vapes can also contain 20 times the nicotine that a single cigarette contains. 

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Vapes can also contain 20 times the nicotine that a single cigarette contains. 

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Why is the adolescent brain more susceptible to addiction?

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Why is the adolescent brain more susceptible to addiction?

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Adolescents are still developing. According to brain scans, cognitive control is not fully developed until adulthood because the prefrontal cortex is limited in connections as well as engagement. This area is responsible for judgement, impulse control, and planning. This can make it difficult for adolescents to refuse substances. Changes in dopamine and serotonin can also make adolescents more emotional and more responsive to reward and stress. This can also cause adolescents more susceptible to addiction.

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How long is the brain affected by nicotine?

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How long is the brain affected by nicotine?

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Initially, the effects of nicotine wear off within an hour or two, withdrawals set in a couple hours following. Nicotine risks addiction, mood disorders, and permanent lowered impulse control. Nicotine also changes how synapses are formed, harming the parts of the brain which control attention and learning.
Nicotine receptors in your brain will return to normal levels approximately a month after quitting.

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What parts of the brain does nicotine effect?	

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What parts of the brain does nicotine effect?	

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Nicotine mimics acetylcholine, an important chemical messenger in the brain. This ability to mimic these messengers, allows the nicotine to fool the brain cells that have a “nicotine receptor.” Nicotine also affects the brain's dopamine system, effecting desire, pleasure, reward, and impulse control.

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The amygdala is located in the medial temporal lobe.
The amygdala is apart of the limbic system in the brain. The amygdala is involved with emotions and emotional responses, this is particularly active during adolescent.
During adolescence, the amygdala grows in size and becomes more active. This growth in size results in rash and emotional behavior.

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The Adolescent Brain-Pruning and Myelination

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The Adolescent Brain-Pruning and Myelination

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Synaptic pruning is the connections in the brain that are not used as much, so they are lost so that other connections can be strengthened.

Myelination is the insulation of neurons’ axons with a fatty substance called the myelin sheath, this helps speed up the processing of information. Myelination starts to increase in the prefrontal cortex during the adolescence

During adolescence, Myelination and synaptic pruning increase, improving the efficiency of information processing. Neural connections between the prefrontal cortex and other regions of the brain are strengthened.

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Studies have shown that it may be harder to quit a nicotine addiction than a heroin addiction.  -- Mayo Clinic

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Studies have shown that it may be harder to quit a nicotine addiction than a heroin addiction.  -- Mayo Clinic

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The prefrontal cortex is located on the most anterior portion of the frontal lobe, taking up  all three surfaces of the frontal lobe
The prefrontal cortex plays an important role in cognitive control functions including reasoning, problem solving, comprehension, impulse-control, creativity, and perseverance.
During adolescence, myelination and synaptic pruning in the prefrontal cortex increase which improves the efficiency of information processing. This growth takes a significant amount of time and can be uneven.