No one has ever proved that smoking small amounts of marijuana over long periods of time is harmful. We can therefore conclude that this practice is completely safe.
A) Red herring.
B) False cause.
C) No fallacy.
D) Appeal to ignorance.
E) Slippery slope.

Question

Quizplus · Accepted Answer

This statement is an example of an appeal to ignorance fallacy, as it suggests that because no one has proven it to be harmful, it must be safe. However, the lack of evidence proving harm does not necessarily prove safety.

No One Has Ever Proved That Smoking Small Amounts of Marijuana