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Substance abuse A substance causing euphoria and analgesia at the desired abuse levels and physical dependence and CNS depression, stupor, coma and death in excess. See Opiates.
Narcotic types
Natural Products extracted from the poppy plant, yielding morphine and heroin, or the coca plant, yielding cocaine and crack
Semi-synthetic Products with opiate activity, eg meperidine and methadone or synthetics, see MPTP; under the umbrella term of narcotic, alkaloids, eg LSD, mescaline, barbiturates, alcohol, marijuana, cocaine, hallucinogens and stimulants, eg antidepressants.
Completely synthetic Products created by synthesis alone, eg fentanyl  

Patient discussion about natural

Q. What is the best natural cure for migraines? Every day I hear something else... would love it if you can share your experience...I'm sick of chemicals:)

A. stay off any products that have a any kind of a caffine content, including chocolate. try this for 3wks, ypu should notice a difference

Q. Is there a recommended natural cure for graves disease? I've been suffering from graves for a year now and really feel tired of it. I'm thinking of trying some natural medications cause the regular ones are dissapointing so far. Any experience with that??

A. I am not familiar with any natural supplements you can take for graves disease, furthermore, it is an illness where you should be on close monitoring of an endocrinologist, and have them tell you which medications you are allowed to take and what could make the situation worse. If regular treatment doesn't seem to help you much you should go for another check up to see how your thyroid is doing.

Q. Is there a natural cure for hpv?

More discussions about natural
References in periodicals archive ?
The openings for natural ventilation are automatically regulated to adjust zone air temperature to be close to the lower limit temperature.
According to the results, the sows which received cooled ventilation presented a higher estimated yield of milk and smaller weaning-estrus interval compared to those under natural ventilation, being also observed a smaller weaning-estrus interval for first parturition sows.
We conducted a survey on designers, managers, and owners of 72 natural ventilation buildings selected from Japanese literature.
Cool nighttime air is common in the warmer seasons, and this increases the time the mechanical systems can stay off even on days when the ambient conditions exceed those suitable for natural ventilation.
In Singapore, Ng Teng Fong General Hospital and Jurong Community Hospital incorporate operable windows and a unique fan-shaped ward layout so that more than 80 percent of the inpatient areas receive natural ventilation. (For more on the project, read "Breath of Fresh Air" on page 38.) In awarding the project a 2017 AIA COTE Top Ten Award by the American Institute of Architects Committee on the Environment (COTE), the awards jury noted that its passive design strategies are a model for hospitals around the world.
The distinctive wood carvings on the natural ventilation panels would clearly describe the masters' knowledge on the disciplines of art, mathematics, nature and religion.
To achieve natural ventilation, the maximum ratio of floor depth to ceiling height must be considered and the heat gains to be dissipated which determine the total area of the opening.
The Moffitt line of natural ventilation products provides facilities with a ventilation solution that requires zero operating costs and zero maintenance costs, while still resulting in cooler and more comfortable buildings.
Coffee processing simulations were performed in two situations: fully enclosed or without natural ventilation (PHP_unventilated), and with the openings of the perforated brick or naturally ventilated (PHP_ventilated).
"Switching to high-performance operable windows can be a cost-effective way to introduce natural ventilation into occupied spaces and improve overall energy efficiency."
The in vitro cultivation methods consisted of the conventional micropropagation (liquid, solid with 5 or 6g [L.sup.-1] of agar), micropropagation in natural ventilation system (liquid, solid with 5 or 6g [L.sup.-1] of agar) and micropropagation in bioreactors of continuous and temporary immersion, totalizing eight treatments.
Trees were left in place on the site to create an outdoor woodland classroom and a computer-controlled natural ventilation system uses sensors to monitor wind speed and direction and carbon dioxide levels in rooms, which in turn alters the position of power-operated windows in the rooms accordingly.