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Hormonal responses to Exercise

  The purpose of this article is to briefly explain hormonal responses to different types of exercise and intensities.  Endocrinology, structure of hormones, and related physiological changes as well as adaptations can be quite complicated. For this reason, the explanation provided will be simplified, limited, and focused on the several major players so to speak. Results, adaptations, and general descriptions of the physiological parameters will be discussed without presenting structures of each and disease processes that may be associated with over or under production of such hormones. Rather, the focus will be on the major hormones involved to initiate and maintain certain types exercise and intensity. The basic responses and adaptations related to exercise intensity, duration and volume will be the primary focus of this explanation.     The hypothalamus is a part of the brain that initiates the fight or flight response. During periods of stress, the hypothalamus sends signals to the
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Best Sources of Protein

  Adequate protein consumption is important for  optimal  health and having a positive nitrogen balance and amino acid profile aids in muscle gain and maintenance at any age. Many professionals recommend one gram of protein per kilogram of lean body mass desired. The purpose of this document is not to investigate protein needs for a certain desired body composition goal, but  to  discuss the functions of protein within the body and various sources including benefits and drawbacks of each category of protein source.     Protein source selection consists of more than just reading a food label. The other factors to be considered are quality, digestion, absorption, and  utilization . Some proteins may be much easier to digest than others and there is much variability in this regard. Lactose intolerance being one simple example. Absorption is also an important variable to be considered. The absorption of amino acids through the intestinal wall allows these potential building blocks the oppo
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