Adderall Might Not Be Worth The Risk

Adderall is an amphetamine-based drug that doctors prescribe to individuals with attention
deficit hyperactivity disorder (ADHD) or narcolepsy — a condition that causes people to fall
asleep suddenly, even in the middle of the day.
The manufacturers of this drug created it to allow people with these conditions to remain alert
and focused. Increasingly, however, healthy young people have started procuring and using this
and similar drugs as a way of hacking their brains to enhance performance while working or
studying.
A 2016 study by researchers from Johns Hopkins Bloomberg School of Public Health in
Baltimore, MD, found that in the United States, the nonprescribed use of Adderall had increased
by 67% among young adults over approximately 6 years.
Yet, according to a new study by researchers from the University of California, Irvine, the
nonmedical use of psychostimulants such as Adderall only brings short term benefits. The team
found that in the long run, these drugs, in fact, negatively affect the focus, working memory, and
sleep quality, creating a vicious cycle.
Healthy individuals who use psychostimulants for cognitive enhancement may incur unintended
costs to cognitive processes that depend on good sleep," warns lead author Lauren Whitehurst.
Our research shows that while psychostimulants may mildly curb natural attentional
deterioration across the day, their use also disturbs sleep and post-sleep executive function.
The researchers recruited healthy adult participants and conducted two sets of experiments. The
first was to assess the effects of psychostimulants on cognitive performance, particular focus,
and the second was to see how these drugs would affect sleep and working memory, which is the
type of memory that we use daily to make decisions.
All of the participants received memory and attention tests at the beginning of the study so that
the researchers could see how these baseline measurements would compare with the results at the
end.
The researchers gave the participants either a placebo or 20 milligrams of the psychostimulant
dextroamphetamine, a substance that is present in Adderall. A week later, they switched the
treatments so that each participant had received both.
The team published their findings in two separate study papers. The first, in the journal
Cognition, focuses on the effects of dextroamphetamine on attention span, while the second, in
Behavioral Brain Research discusses the drug’s effects on sleep and working memory,
In studying how the drug affects attention, the researchers analyzed the results that they had
obtained from 43 healthy participants aged 18–35 years.

The team noticed that regardless of whether a participant had received the placebo or the
dextroamphetamine, their attention tended to diminish throughout the day.
People who received the stimulant did demonstrate better attention in the short term than those
who had received the placebo. At 75 minutes after receiving the drug, the attentional
performance of these participants was 4?tter than that of those in the control group. They
also had better focus than they did at baseline.
However, at both 12 and 24 hours after taking this drug, participants no longer experienced any
benefits.
Our research suggests that the purported enhancement to executive function from
psychostimulants in healthy populations may be somewhat exaggerated, as we found the only minor
daytime improvement in attention and no benefit to working memory, says co-author Sara
Mednick.
To learn about dextroamphetamine effects on sleep and working memory, the researchers
analyzed the data from 46 healthy participants aged 18–39 years.
In this case, the team found that at both the 75-minute and 12-hour points, the participants'
working memory performance was the same, regardless of whether they had received
dextroamphetamine or a placebo.
However, after 24 hours, including a night of sleep, participants who had received the stimulant
started performing much worse on working memory tasks than those who had received a
placebo.
Moreover, overnight brain activity scans and sleep quality tests showed that participants who had
received dextroamphetamine slept less and had poorer quality sleep compared with peers in the
control group.
We noted a large impairment to nighttime sleep, even though the medication was administered
in the morning," says Mednick
Psychostimulants also led to detrimental consequences to cognitive functions that rely on good
sleep. Thus, people who are taking these drugs to perform better in school or at work may feel as
though they are doing better, our data don’t support this feeling," she goes on to warn.
Based on these results, the researchers caution people that taking drugs to boost short term
cognitive performance may not be worth the risk. The team also suggests that in the future,
doctors and the public may do well to take poor quality sleep and a decline in cognitive function
into consideration as possible side effects of psychostimulants.

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