<abstract><sec>
<title>Objective</title>
<p>The objective of this work is to evaluate the effects of smoking hashish on some blood parameters (Red blood cells, Hemoglobins, Hematocrits, MCV, MCH, MCHC, White blood cells, Urea, Creatinine, Cholesterol, Triglycerides, Liver Aminotransferases) among young people from the Beni Mellal region, Morocco.</p>
</sec><sec>
<title>Methods</title>
<p>Blood samples are collected from 30 male, fasting, voluntary and anonymous individuals in three groups; 10 non-smokers (controls), 10 moderate chronic smokers (5 joints/day (5 j/d) or less for a period not exceeding 3 years) and 10 intense chronic smokers (15 joints/day or more for a period equal to or greater than 5 years).</p>
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<title>Results</title>
<p>The results obtained show that with the duration and number of joints consumed, a decrease in the level of HB, RBCs, HT, platelets, urea, cholesterol, triglycerides, SGOT and SGPT while there is an increase in MCH, MCHC, eosinophils and creatinine.</p>
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<title>Conclusion</title>
<p>These results could be explained by the impact of the active ingredients in the joints, including THC in cannabis and the components of smoked cigarettes in conjunction with cannabis resin on consumer nutrition.</p>
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