Learn English – Informal way to say “contrary to popular belief”

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Example:

Contrary to popular belief, depression is more about 'hows' than
'whys'. And sometimes we even use logic to try to justify it.

I think contrary to popular belief is too formal. Is another way of saying it? (I thought about phrases with unlike, but I think that word is kind of formal, too).

Best Answer

Maybe something along the lines of

Despite what (many) people (often) think/assume/believe

e.g.

Despite what people think, depression is more about 'hows' than 'whys'. And sometimes we even use logic to try to justify it.