Until I saw this post, I didn't refrigerate peanut butter. Previously, I thought there was a health problem with refrigerating peanut butter, but when I went to find something about it on the internet, I came up with this:

Information about Health & Aflatoxins in foods such as peanut butter

Yikes! We only use grind-it-yourself-in-the-store organic peanut butter to avoid pesticides and hydrogenated oils. Plus, we think it tastes better. After reading about aflatoxin, I put ours in the fridge. We eat it pretty quickly, but why not play it safe....

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If this is going to be a Christian nation that doesn't help the poor, either we have to pretend that Jesus was just as selfish as we are, or we've got to acknowledge that He commanded us to love the poor and serve the needy without condition, and then admit that we just don't want to do it.

- Stephen Colbert.