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RE: Super Strength through Adrenaline?
Our pituitary gland is responsible for producing those hormones too. I suffer from adrenal fatigue, and at my worst i'd go in to complete adrenaline mode with the full shakes, sweats and fast heart rate with even the slightest noise that wouldn't be stressful for most people. It was messed up. Our adrenals need loving! It's not very fun when they're not functioning properly.
Kay, the pituitary's action results in epinephrine release, but not directly from the adrenal medulla.
When stimulated, the pituitary releases ACTH, AdrenoCorticoTropic Hormone, which stimulates the adrenal medulla to release epinephrine. Suesa is correct too saying moderation is key when speaking of these stimulating hormones. It is now known that one reason sleep apnea is so dangerous is that the disturbed sleep cycles cause excess catecholamine release (substances like epinephrine) which stress the heart and blood vessels. They're normally stressed while we're awake and active, but when they're stressed when the body is in its "rest" phase, then the body essentially never rests. High blood pressure and eventually even heart failure can develop from long term sleep apnea.