Not everyone who appears to be nuts is actually nuts. Make no mistake, there are some seriously crazy people in the world like serial killers, rapists and politicians. But, did you realize that there some things that can make you act like you’re crazy when you really aren’t? These are pretty rare for the most part, but something to keep in mind for future reference in case you happen to be in the vicinity of someone who appears to have lost their marbles.

1. Omega-3 Deficiency

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Omega-3 is an essential fatty acid that we’ve begun to hear more about in recent years with the popularity of supplements such as fish oil. A lack of omega-3 really can become a serious problem and result in symptoms such as depression, bipolar disorder, and even schizophrenia. Yikes!