"But a third of respondents said they would feel pressure to give such drugs to their children if other children at school were taking them."
Apparently a third of the respondents are big dorks.
Apparently a third of the respondents are big dorks.
Now, science is not a zero-sum game, but school is. There are a limited number of spots in top universities, and the pressure to get one of those spots is enormous.
So if my peers are all using study drugs, then I would be compelled to use those drugs to remain competitive. So their use of the drugs would interfere with my freedom of choice.
Not only that, but the playing field among you and your peers returns to parity except the cost is that everyone needs to take study drugs to keep up.
You are not entitled to particular choices, but are free to choose among what others may have made available.
It's no violation of rights that you don't get the choice you might prefer. If I get to the movie's five minutes before you, and take a seat you may have wanted, I'm not violating any of your rights of free choice because I parked my ass in a chair before you could.