Melatonin lowers body temperature, causes vasoconstriction in the brain, heart, and other organs, and slows reactions

Negation: Melatonin does not lower body temperature, does not cause vasoconstriction in the brain, heart, and other organs, and does not slow reactions 0 0 0

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Argument #e586e056 1 0 2

If it is true that...

Melatonin lowers body temperature, causes vasoconstriction in the brain, heart, and other organs, and slows reactions 1 0 2

and

Melatonin reduces behavioral sensitivity but increases the eyes' sensitivity to light, causing them to be injured by light that would otherwise be harmless 1 0 2

Then it must be true that...

Retinal injury is caused by ordinary light when the eyes are sensitized by melatonin, prolactin, and polyunsaturated fats 1 0 2

Mentions

Ray Peat/Aging Eyes, Infant Eyes, and Excitable Tissues

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Related Propositions

An excessive nocturnal temperature drop probably increases edema, with all of its harmful consequences 1 0 2 Estrogen directly lowers the temperature, while progesterone raises the temperature 1 0 2 Estrogen sets the brain's temperature regulator lower but can also lower the metabolic rate through serotonin and other mediators 1 0 2 Melatonin can act as a pro-oxidant at physiologically relevant concentrations 1 0 2 Almost any kind of stress increases the formation of melatonin 1 0 2 Melatonin increases the concentration of free fatty acids during the night 1 0 1 Melatonin reduces behavioral sensitivity but increases the eyes' sensitivity to light, causing them to be injured by light that would otherwise be harmless 1 0 2 Melatonin's ability to cause vasoconstriction means that stress makes supplemental oxygen more toxic 1 0 1 Estrogen production is facilitated when tissue is cooler and it lowers body temperature 1 0 1 The mitochondrial energy problem, cytochrome oxidase and its regulation; body temperature/pulse-rate cycle disturbance; lipid peroxidation; respiratory defect; altered amino acid uptake; memory impairment; dominance of the excitatory systems vs. the inhibitory adenosine/GABA/progesterone/pregnenolone system are functional and biochemical observations of Alzheimer's disease 1 0 1