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Whenever a sugar cue (a sound) occurred, rats pressed in a frenzy on a lever that had previously earned them a sugar reward. In fact, the researchers found that sensitized rats pressed the lever 200 percent more than rats in the control group, an increase equivalent to the behaviour produced in other rats by injecting amphetamine directly into their brains

But its gained a reputation for run-down housing and vacant storefronts

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The lungs take in oxygen and release carbon dioxide through the alveoli

I have read, taught and loved his poetry for most of my adult life