Genes. For an adolescent to have certain genes in their DNA, their academic results may suffer, especially in four subjects: Language, Mathematics, Science and History. This is the conclusion reached by scientists from Florida State University (USA) after comparing the average grades of a series of students and relating it to the variants of various genes (DAT1, DRD2 and DRD4) that encode thedopamine, a neurotransmitter responsible for pleasant sensations and involved in the coordination of muscle movements, decision-making, learning and memory. Their results were published in the journalIntelligence.
Sex.Why do girls get better grades in primary school? According to a study published at the beginning of the year by the magazineJournal of Human Resources, is due to their good behavior in class. Christopher Cornwell, co-author of the study, assures that his studies “the attitude towards learning is the skill that teachers take the most into account.” And that includes the student’s attention, consistency in schoolwork, the enthusiasm they show for learning, the ability to organize … And in all this girls stand out. However, if they are subjected to a knowledge test, they both get similar marks.
Obesity.Children’s math grades are related to their weight, according to a study by the University of Missouri (USA) based on 6,250 schoolchildren who were followed from kindergarten to fifth grade. Children who were obese for part or all of that time fared worse on math tests.
