Please choose the correct ending to complete the given sentence: Youth: [header] How to reduce stress as a teenage boy [title] Accept that stress is natural and unavoidable. [step] Your feelings of stress are connected to the " fight or flight " response that humans have experienced since our earliest ancestors were running away from sabre-tooth tigers. Even if modern stressors are not typically so life-threatening, your body responds in a similar fashion.

Ending1: [substeps] There are certain body pressure signals such as deep stomach, respiratory rate, blood pressure, etc. ; that may or may not be calming your body. Ending2: [substeps] When a potentially dangerous or challenging situation arises, your body releases hormones such as adrenaline and cortisol, which give you increased energy and focus, among other changes. In small doses, these changes can help you accomplish tasks more successfully. Ending3: Time conventions often don't tell us what anxiety, sleep, or depression are. The fact that it is difficult to focus on the positive and strong positive aspects of any situation makes us more susceptible to anxiety as a teenager. Ending4: The brain releases hormones to promote calm and relaxation when it is wired to do so. [substeps] Losing yourself in a time of low stress can cause the brain to rely more on temporary relaxation and apply anxiety-relieving therapies.

Answer format: ending1/ending2/ending3/ending4