Introduction Cannabis is the most widely used illicit drug; 3.8% of world’s population consumes cannabis on a regular basis. use–associated alterations in domain cognition have been extensively studied. Objectives To research memory deficiency young consumers Tunisia. Methods This transversal descriptive study conducted during two months (January and February 2022). The involved about 137 parti...

We investigate the descriptional complexity of limited propagating Lindenmayer systems and their deterministic and tabled variants with respect to the number of rules and the number of symbols. We determine the decrease of complexity when the generative capacity is increased. For incomparable families, we give languages that can be described more efficiently in either of these families than in ...

background: acquired immune deficiency syndrome (aids) was firstly reported from california and soon became a pandemic in the world.this disease poses seriousthreats to humans’ health.in this study, we intended to examine the characteristicsof hiv-positive patients whoreferred to the behavioral diseases consultation center (bdcc) in shiraz, iran.   methods : this was a cross-sectional descripti...