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STUDY: Computer users also more likely to experience physical pain
JOURNAL: American Journal of Industrial Medicine
AUTHORS: Dr. Tetsuya Nakazawa
ABSTRACT: Prolonged daily computer use can make you sore and sap your strength, energy and motivation.
COMMENTARY: Japanese researchers discovered that people who sat in front of computer screens were more likely to experience physical pain such as eye and shoulder strain, and to suffer from motivational symptoms such as lethargy.
Although workers are spending an increasing amount of time in front of their computers, no consistent guidelines exist about how long is safe to sit at a computer screen.
Workers who spent more than five hours per day in front of a computer screen reported significantly higher complaints of sleep-related symptoms and mental stress.
Physical symptoms increase with duration of daily VDT (visual display terminal) use without threshold, while mental- and sleep-related symptoms increase with VDT work of more than five hours per day.