Please choose the correct ending to complete the given sentence: Health: [header] How to avoid caffeine withdrawal headaches [title] Recognize a caffeine withdrawal headache. [step] Headaches are almost always the primary complaint of people trying to cut caffeine from their diet. [substeps] The pain associated with this kind of headaches is characterized as radiating and dull and it can last for a few hours to days.

Ending1: Even mild withdrawal headaches go away on their own. You may experience another symptom your body can't identify, such as nausea and vomiting. Ending2: Since your body was used to high level of caffeine, it will react to any situation where there is sudden decrease of this substance. [title] Understand why caffeine withdrawal causes headaches. Ending3: Headaches do not end when you stop taking them. Pain consisting of headaches should be addressed immediately after you stop drinking caffeinated beverages, including coffee, tea, sodas, or juice. Ending4: Headaches are a symptom of many different causes, including blood clots and low potassium levels (obesity). For many reasons, a stomach ache may be triggered by caffeine withdrawal, but caffeine withdrawal occurs mainly during high doses.

Answer format: ending1/ending2/ending3/ending4