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The physical effects of methamphetamine can include loss of appetite, hyperactivity, dilated pupils, flushed skin, excessive sweating, increased movement, dry mouth and teeth grinding (leading to "meth mouth"), headache, irregular heartbeat (usually as accelerated heartbeat or slowed heartbeat), rapid breathing...
Source: Wikipedia
Bizarre.
[hyperactivity, dilated pupils, flushed skin, excessive sweating, increased movement, dry mouth and teeth grinding]
That sounds a lot like Kasich thrashing around in the debates.