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Short-term effects of cocaine
Increased energyDecreased appetite
Mental alertness
Increased heart rate and blood pressure
Constricted blood vessels
Increased temperature
Dilated pupils
Long-term effects of cocaine
Addiction
Irritability and mood disturbances
Restlessness
Paranoia
Auditory hallucinations
Medical consequences of cocaine abuse
Cardiovascular effectsdisturbances in heart rhythm heart attacks
Respiratory effectschest pain respiratory failure
Neurological effectsstrokes seizures and headaches
Gastrointestinal complicationsabdominal pain nausea
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a b
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EFFETTI TOSSICI CONNESSI ALL’USO DI ALLUCINOGENI
• effetti acuti: • incidenti mortali legati a distorsioni sensoriali• attacchi di panico• comportamenti autolesionisti
• effetti cronici:• psicosi• reazioni depressive• stati paranoici• flashbacks (HPPD = hallucinogen persisting
perception disorder)
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AGONISTI DEL RECETTORE CANNABICO CB1
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POSSIBILI IMPIEGHI TERAPEUTICI DEI CANNABINOIDI
Riduzione della pressione endo-oculare nel glaucomaEffetto antiemeticoEffetto analgesico Aumento dell’appetito
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CANNABINOIDI COME ANTITUMORALI?
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EFFETTI CONNESSI CON L’USO DI NICOTINA
Azione psicostimolante centraleEffetti centrali: capogiri, vertigini; nausea, vomitoAzioni periferiche: aumento pressorio, tachicardia
Riduzione del peso corporeo liberazione di dopamina (e 5HT?) liberazione periferica di noradrenalina
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Il fumo di tabacco contiene:
(1) costituenti propri della sigaretta: materia organica alcaloidi nicotinici additivi
(2) prodotti derivati della combustione: CO2 CO catrame
Fattori che influenzano l'assorbimento:
Quantita' aspirata Profondita' di aspirazione Durata dell'aspirazione pH del fumo Caratteristiche individuali di assorbimento
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PRINCIPALI RISCHI PER LA SALUTE CONNESSI AL FUMO
CANCROMALATTIE CORONARICHEBRONCHITE CRONICAEFFETTI DELETERI DURANTE LA GRAVIDANZA
AGENTI RESPONSABILI DI TALI EFFETTI
CATRAME E IRRITANTINICOTINAMONOSSIDO DI CARBONIO