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A study conducted on 14 Wastewater Treatment Plants in Istanbul in 2021 on drug use found that the most commonly used substances are Alcohol, Tobacco and cannabis.

Under the leadership of the Ministry of interior, a study was conducted on the use of drugs through waste water in Istanbul in 2019-2021. Analysis of the review was published with the prepared article. 14 high from the treatment plant during the period 4 at the same time the drugs in a single city with a population that carries the waste water in the first study to analyze the feature in the article referenced, 2021 in Istanbul with population of approximately 20 million in evidence-based measures within a 3 month period to assist in the implementation of traditional illicit drugs, amphetamine (AMP), methamphetamine (METH), 3,4-metilendioksimetamfetamin (MDMA), marijuana, cocaine, heroin, tobacco and the alcohol consumption to estimate targets, he said.


A total of 405 composite samples were collected in proportion to time during the examination of 14 main wastewater treatment plants (AAT) serving 90 percent of Istanbul’s population. As a result of the study, it was estimated that during the periods when methanphetamine consumption was highest in Istanbul, daily consumption was 120 mg in a thousand people. In treatment plants in areas where methanphetamine was consumed the most, the rate was between 135.5 mg and 666.6 mg per thousand people per day.

Among water treatment plants, the city’s average consumption value of methylenedioxymethamphetamine (MDMA) was estimated at 94.8 mg per thousand people per day, and highest consumption value was estimated at 158.5 mg per thousand people per day. Overall, MDMA consumption was observed to increase significantly during the citywide December period.

In an analysis conducted during the 4 sampling period for cocaine, it was determined that the amount of consumption estimated by wastewater-based epidemiology (WBE) ranged from 61.9 mg to 379.9 mg per thousand people per day, while the average cocaine consumption throughout the city was 200.9 mg per thousand people per day.


In the article, the substances with the highest average consumption were determined as Alcohol, Tobacco and cannabis substances in the provisional sample assessments conducted in Istanbul for 4 periods in 2020 also.

The top trends for the most widely consumed illicit drug in Istanbul was cannabis with an average dose of 26.73 per thousand doses per day.

June march December September and December period saw a significant decrease in the rate of alcohol consumption, while tobacco consumption in the 4 period was not significantly changed in the period of March and June was seen to be a significant decrease in the period of September and December. This decrease in alcohol consumption was explained by the introduction of the ‘special consumption tax ‘ on alcohol-containing products after June 2020.

Cocaine consumption was constant for all 4 periods, and the average annual dose estimate was 2.01 doses per thousand people per day. Although the average dose of methylenedioxymethamphetamine (MDMA) for amphetamine type stimulants was 0.7 doses per thousand daily in the first three periods, it was estimated that the consumed dose more than doubled in the last period (December), but was negligible. The general reason for the periodic differences revealed in the analyses was that Istanbul is the business center of the country and has the potential to attract tourists in four seasons.


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President of Organ Transplant Center at MedicalPark Hospital Antalya

Turkey's world-renowned organ transplant specialist. Dr. Demirbaş has 104 international publications and 102 national publications.

Physician's Resume:

Born on August 7, 1963 in Çorum, Prof. Dr. Alper Demirbaş has been continuing his work as the President of MedicalPark Antalya Hospital Organ Transplantation Center since 2008.

Prof. who performed the first tissue incompatible kidney transplant in Turkey, the first blood type incompatible kidney transplant, the first kidney-pancreas transplant program and the first cadaveric donor and live donor liver transplant in Antalya. Dr. As of August 2016, Alper Demirbaş has performed 4900 kidney transplants, 500 liver transplants and 95 pancreas transplants.

In addition to being the chairman of 6 national congresses, he has also been an invited speaker at 12 international and 65 national scientific congresses. Dr. Alper Demirbaş was married and the father of 1 girl and 1 boy.


Eczacibasi Medical Award of 2002, Akdeniz University Service Award of 2005, Izder Medical Man of the Year Award of 2006, BÖHAK Medical Man of the Year Award of 2007, Sabah Mediterranean Newspaper Scientist of the Year Award of 2007, ANTIKAD Scientist of the Year Award of 2009, Social Ethics Association Award of 2010, Işık University Medical Man of the Year Award of 2015, VTV Antalya's Brand Value Award of 2015.


Doctor of Medicine Degree Hacettepe University Faculty of Medicine Ankara, General Surgeon Ministry of Health Turkey EKFMG (0-477-343-8), University of Miami School of Medicine Member of Multiple Organ Transplant, ASTS Multiorgan Transplant Scholarship. Lecturer at Kyoto University. Lecturer at University of Essen, Research assistant at the University of Cambridge .

Professional Members:

American Society of Transplant Surgeons, American Transplantation Society Nominated, Middle East and Southern Africa Council Transplantation Society 2007, International Liver Transplantation Association, Turkish Transplantation Association, Turkish Society of Surgery, Turkish Hepatobiliary Surgery Association.


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Medically Reviewed by Professor Doctor Alper Demirbaş
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