the.com/quack remedy

Confidence sold by the bottle, cured by nothing but your wallet.

means A fake or unproven cure, often sold with big promises and backed by no real medical evidence.

from "Quack" comes from Dutch "kwakzalver" — literally someone who "quacks" (hawks, boasts loudly) while peddling "zalf" (salve or ointment). Think of a loud street vendor shouting about miracle ointments. The word crossed into English by the 1600s as a term for a fraudulent healer, and "quack remedy" simply pairs the con artist with his product — the bottle of nothing he's shouting about.

origin
from quacksalver, dutch for loud-talking salesman
key ingredient
usually alcohol, sugar, or sheer placebo
best feature
testimonials, never actual clinical trials
survival trick
blames failure on your lack of faith
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