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After several hours of 'work', the neuro-transmitters are depleted of what they need for good cognitive function. What they need is quality food which most of us don't eat enough of. Synapses are slower to exchange neurons. Basically, lack of active neurotransmitters is the reason for most people who are otherwise healthy. It's not the same mechanism as ...


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This is not a low-quality question. Despite its simplicity, this question demands a so complex answer that we can start by saying: We still don't know. Because you are talking about the colour as a sensation, as something that I feel and that I (literally) see. And here is the problem: as such, the "colour" is not a physical reality. Some people may ...


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In the eye, there are tiny receptors for light and color. There are 2 groups. Ones that detect just light/dark (brightness) and ones that detect color. Color detecting receptors are called cones. There are 3 types of cones: S-, M- and L-cones. Each has a region of wavelength which it detects. When light hits the specific cones - hemical reaction starts, ...



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