But a lot of information out there on geothermal heating and cooling is based on outdated information, or outright myths. In our new book Modern Geothermal HVAC Engineering and Control Applications (Egg/Cunniff/Orio-McGraw-Hill 2013), co-authors Greg Cunniff, Carl Orio and I bust many of these myths.
SIDE EFFECTS. Belladonna may cause drowsiness, dry mouth, urinary retention, photophobia, rapid pulse, dizziness and blurred vision. Opium usage may result in constipation, nausea or vomiting. Pruritis and urticaria may occasionally occur.
Effects of narcotics, other stimulants, and other depressants. Narcotics initially produce a feeling of euphoria that often is followed by drowsiness, nausea, and vomiting. Users also may experience constricted pupils, watery eyes, and itching. An overdose may produce slow and shallow breathing, clammy skin, convulsions, coma, and possibly death.