it is widely reported that Tyler and the band do not do drugs including alcohol. i believe they are for the use of medical marijuana though. there is an unproven rumor that tyler smokes.
Quackery is the promotion of unproven or worthless medical treatments.
You can make a conjecture by conducting research or experiments that come out to be unproven. It can appear to be correct but it is actually unproven.
Homer.
that remain unproven are that it improves immune function, decreases allergies , and acts as an anti-aging substance.
ibse dixit
Hypothesis.
Unproven Theorems
axiom
A 7 letter word for an unproven belief is an opinion. An opinion is something that you think and believe but either cannot or have not factually proven.
Where the products says it will do something, but there is nothing to prove it
A hypothesis.