But a lot of information out there on geothermal heating and cooling is based on outdated information, or outright myths.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.
The effects of smoking opium are almost identical to the effects of using heroin or morphine. They include a relaxed feeling, relief from pain and anxiety, decreased alertness, respiratory depression (slowed breathing), impaired coordination, constricted pupils, nausea, and constipation. These effects can last from three to six hours.