Błędnie: Pharmacists have decided to prescribe the drug since the research proved it could be dangerous. Poprawnie: Pharmacists have decided to proscribe the drug since the research proved it could be dangerous.
"Proscribe" oznacza 'zakazywać', 'wyjmować spod prawa'. "Prescribe" natomiast znaczy 'przepisywać (np. lek)', 'zalecać', 'nakazywać'.