A healthy diet along with regular exercise should provide everything necessary to lose weight, but people often do things to support weight gain without even knowing it. Here are 6 surprising things that contribute to weight gain that you might be doing without realizing the consequences.

1. Food Allergies. Food allergies can lead to inflammation which can cause swelling and fluid retention. Many people who suffer from chronic weight problems have food allergies that they just aren’t aware of. If you think you may be one of these people, try eliminating common foods that trigger allergies like dairy, eggs, and gluten and see if you notice a difference from when you started.