05/26/2015 10:15 EDT | Updated 05/29/2015 08:59 EDT

6 Foods That Help Fight Stress

It's called comfort food for a reason; whether you are sad, mad, stressed or simply tired, eating your favourite fatty foods can make you feel good — but only for a short time.

In the video above by Ivanhoe, we look at six foods that relieve stress naturally and won't leave your feeling guilty tomorrow. Unlike the sugary sweets and simple carbs you crave while emotionally eating, these foods not only release mood-boosting serotonin, but some of them also lower cortisol levels and boost your immunity.

Researchers at the Harvard Medical School say prolonged stress releases cortisol into the bloodstream, causing people to overeat and gain weight.

But some doctors also say it's OK to emotionally eat every now and then, CNN reports. Giving into the occasional craving can might make you feel better than trying to walk it off, but indulging too often can cause some serious problems too.

So if you're having a hard time saying no to a sundae when you're sad, try these tips to help you regain control.

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