What Do You Believe That Isn't True?

Masks prevent a viral respiratory illness.
The mRNA medical therapeutic injection or “vaccine” is both safe and effective.
Heart disease is caused by high cholesterol.
There is a limitless number of genders.
Affirmative action is not racist.
Gun restrictions save lives.
There is no election fraud.
The FDA and CDC are not corrupt.
The FBI does not spy on Americans.

Depending on which reality you have been living in since 2020, you will find the statements above to be either absurdly obvious or obviously absurd. It is highly doubtful you will find them to be as yet undetermined, open to debate, or awaiting solid evidence.