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PHILADELPHIA (CBS) — A new study suggests eating junk food raises the risk of depression.

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The study published in Molecular Psychiatry looked at 41 previous studies.

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Researchers found that foods containing a lot of fat, sugar, or food that was processed, led to inflammation.

The study said chronic inflammation can negatively affect brain chemistry.

Credit: CBS3

It can also impact neurotransmitters responsible for mood regulation.

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Researchers from multiple countries such as Finland, Spain, France, the United Kingdom, Australia, and others cited nearly 100 sources to back up the information that they found.

“Adhering to a healthy diet, in particular, a traditional Mediterranean diet, or avoiding a pro-inflammatory diet appears to confer some protection against depression,” said researchers.