"According to Ross, cancer patients receiving just a single dose of psilocybin experienced immediate and dramatic reductions in anxiety and depression, improvements that were sustained for at least six months."
You might have made it that far in the time it took you to count page downs.
Also, read the next sentence "The data are still being analyzed and have not yet been submitted to a journal for peer review, but the researchers expect to publish later this year".
And a little bit later "But itβs important to remember that the sample sizes are small.β