Not admitted · Vague or promotional

Citing a meta-analysis (Rief et al. 2009) showing rising expert-rated placebo response in antidepressant trials, the author says beating placebo to demonstrate efficacy becomes harder if that trend continues.

No entity, observable event, benchmark or threshold can be written from the text and its immediate context. Slogans ('game changer', 'once-in-a-lifetime opportunity', 'favourite stock') and quantifiers with no countable set ('more', 'first', 'all') without a defined set.