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All Journal Jurnal Gizi dan Pangan Makara Journal of Health Research
Ghazali, Ahmad Rohi
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Health Professions

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Does Quran Memorization Influence Adolescents’ Intelligence Quotient and Memory Level?: A Cross-Sectional Study in Malaysia Ishak, Ismarulyusda; Shaidin, Amira Aqilah; Harun, Dzalani; Abdul Warif, Nor Malia; Mariappan, Vanitha; Mat Ludin, Arimi Fitri; Ghazali, Ahmad Rohi; Ibrahim, Farah Wahida; Che Din, Normah
Makara Journal of Health Research
Publisher : UI Scholars Hub

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Abstract

Background: The process of memorizing various reading materials enhances the brain capacity to process, store, and assemble memories and increases the intelligence quotient (IQ) level. However, the connection between the memorization of Quran and the enhancement of memory level is not fully understood. Hence, a cross-sectional study was conducted to examine the correlation between Quran memorization and the IQ level among Muslim adolescents from selected Islamic schools in Selangor, Malaysia. Methods: The Wechsler Abbreviated Scale of Intelligence was used to measure the student’s IQ level, whereas Digit Span and Rey Auditory Verbal Learning Test were used to evaluate the memory level. Questionnaires were distributed for demographic data collection and the Quran memorization level. Results: The full-scale results for all the four sub-tests revealed that the studied tahfiz students had a low average level of IQ, with a mean of 88.06 ± 15.80. For the short-term verbal memory, the majority (n = 36, 56.3%) were in the normal category, whereby for long-term verbal memory, the majority (n = 20, 31.3%) were below normal. The results showed that the IQ level was non-significant (p = 0.059) but moderately correlated (r = 0.391) with the level of Quran memorization. The coefficient of determination or effect size calculation showed that Quran memorization shared 15.29% of the variability in the IQ level. Multiple linear regression analysis revealed that only the working memory is significant to predict the IQ. Provided that other influencing factors are constant, an increase of one unit in the working memory was predicted to increase 5.55 units of IQ. Conclusions: In conclusion, the level of Quran memorization was not significantly correlated with the IQ and memory status of Muslim adolescents from the selected Islamic schools in Selangor, Malaysia.
Caffeine Ingestion among Athletes Based on Safe Dose Daily Allowance in Malaysia Musa, Sitti Junaina; Ghazali, Ahmad Rohi; Mohamad Fauzi, Nor Farah; Abd Rahman, Abdul Hadi; Izham Mohamad, Mohd; Shanita Safii, Nik
Jurnal Gizi dan Pangan Vol. 20 No. 1 (2025)
Publisher : The Food and Nutrition Society of Indonesia in collaboration with the Department of Community Nutrition, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25182/jgp.2025.20.1.31-40

Abstract

This study aims to investigate the category of caffeinated beverages ingested and caffeine ingestion level among athletes based on safe dose daily allowance. A cross-sectional study was conducted among 236 athletes using validated Caffeine Consumption Questionnaire (CCQ) to estimate the caffeine intake among athletes. The findings revealed a high prevalence (69.1%) of caffeine consumption exceeding the recommended daily allowance was observed among the athletes. Among the various Caffeinated Beverage (CB) categories, Coffee Drink (CD) showed the highest median and interquartile range of caffeine intake 243.0 mg (0–919.5 mg). There was a significant correlation (p<0.05) between types of CB Energy Drink (ED) with pre-event (r=0.280), during-event (r=0.447), post-event (r=0.291). Energy Gel (EG) with pre-event (r=0.139), during-event (r=0.498), post-event (r=0.170). Soft Drink (SD) with pre-event (r=0.328), during-event (r=0.228), post-event (r=0.304). CD with pre-event (r=0.534), during-event (r=0.132), post-event (r=0.240). Tea Drink (TD) with pre-event (r=0.148), post-event (r=0.190). Cocoa Drink (CocD) with pre-event (r=0.158), post-event (r=0.137). A significant association (p<0.05) was observed between the range dose allowance of caffeine intake and the timing of ingestion during sports events. The daily caffeine consumption among athletes in Malaysia exceeds the recommended safe dose. Therefore, it is essential to monitor, track and regulate the intake of caffeine-containing beverages by implementing clear guidelines and promoting awareness of caffeine-related facts. This approach aims to prevent potential adverse health effects while ensuring athletes can still harness its performance-enhancing benefits.
Co-Authors Abd Rahman, Abdul Hadi Abdul Warif, Nor Malia Che Din, Normah Harun, Dzalani Ibrahim, Farah Wahida Ishak, Ismarulyusda Izham Mohamad, Mohd Mariappan, Vanitha Mat Ludin, Arimi Fitri Mohamad Fauzi, Nor Farah Musa, Sitti Junaina Shaidin, Amira Aqilah Shanita Safii, Nik