Crazy Sciency Shizzle
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For all of its wild popularity, caffeine is one seriously misunderstood substance. It's not a simple upper, and it works differently on different people with different tolerances—even in different menstrual cycles. But you can make it work better for you.
What Caffeine Actually Does to Your Brain
For example - Prozac: Prozac is an SSRI. SSRI's (common class of anti-depressants) work by blocking serotonin reuptake gates in the synaspe. Effectively raising the levels of serotinin. Serotonin is a neurotransmitter that is know to affect mood. Julian- Caffeine
Drug action in the Synapse - Savage AP Psych Wiki
A man sits down before a gun , which is pointed at his head. This is no ordinary gun; it's rigged to a machine that measures the spin of a quantum particle . Each time the trigger is pulled, the spin of the quantum particle -- or quark -- is measured. Depending on the measurement, the gun will either fire, or it won't. If the quantum particle is measured as spinning in a clockwise motion, the gun will fire. If the quark is spinning counterclockwise, the gun won't go off.
How Quantum Suicide Works& - StumbleUpon