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How does cerebral hypoxia cause euphoria?

The mechanism by which the conscious feeling of euphoria is felt is still unknown. Due to the multiple methods by which euphoria can occur it is likely a 'natural' state of the brain that can be triggered either naturally or unnaturally. It is also likely that it occurs in the same brain regions responsible for mood. https://en.wikipedia.org/wiki/Reward_system You'll note that many of the structures connected to the reward system are glutamatergic interneurons. This means that excess glutamate can trigger the reward system to produce euphoric feelings. In cerebral hypoxia the lack of oxygen results in a lack of energy for the cell. Mainly this results in the switching off of the sodium / potassium pump. A nerve cell fires by moving sodium outside the cell and potassium inside the cell to create concentration gradients, that are then reversed during an action potential. If the pump does not have oxygen then this mechanism stops. This results in an increase in e...
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Hormones: Prolactin

Prolactin is a hormone produced in the pituitary gland, named because of its role in lactation. It also has other wide ranging functions in the body from acting on the reproductive system to influencing behaviour and regulating the immune system. Alternative names for prolactin In everyday language, prolactin is referred to as the ‘milk hormone’; PRL; luteotropic hormone; LTH. What is prolactin? Prolactin is a hormone named originally after its function to promote milk production (lactation) in mammals in response to the suckling of young after birth. It has since been shown to have more than 300 functions in the body. These can be divided into a number of areas: reproductive, metabolic, regulation of fluids (osmoregulation), regulation of the immune system (immunoregulation) and behavioural functions. In humans, prolactin is produced both in the front portion of the pituitary gland (anterior pituitary gland) and in a range of sites elsewhere in the body. Lactotroph cells i...
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Negative Health Effects of Artificial Blue Light at Night And What You Can Do About It

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Nighttime  blue light  exposure can derange the  circadian rhythm . It is a culprit behind many modern chronic health issues, including  obesity , metabolic syndrome, and cancer. On the other hand,  blue light  exposure during the day is very beneficial. Read this post to learn how to hack your  blue light  exposure for your benefit. What is Blue Light? Light is  electromagnetic radiation  of a variety of wavelengths within the electromagnetic spectrum. There is both visible and non-visible light. Non-visible light includes ultraviolet ( UV ) and  infrared  light, while visible light includes the whole spectrum of the rainbow, including blue light. Within the visible light spectrum, each wavelength is represented by a color. Of all the colors of the visible light spectrum, blue light (wavelength 446 – 477 nm) has the strongest impact on physiology and  circadian rhythm  because our pigments react to this w...
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