13. Stomach/Back aches: Stomach aches are pains from inside the abdomen or the outer muscle wall, ranging from mild and temporary to severe and requiring emergency care. While back aches physical discomfort occurring anywhere on the spine or back, ranging from mild to disabling.

Common cause:

– Abdominal pain can have causes that aren’t due to underlying disease. Examples include constipation, wind, overeating, stress or muscle strain.

– Back pain can have causes that aren’t due to underlying disease. Examples include overuse such as working out or lifting too much, prolonged sitting and lying down, sleeping in an uncomfortable position or wearing a poorly fitting backpack.