Even though Alex takes some precautions while working at his computer, he is still at risk for the following computer-related health problems:
- Vision problems: Prolonged screen time can lead to digital eye strain, even with good posture.
- Sleep problems: Although he stays off his computer after 6 p.m., excessive screen time earlier in the day can still impact sleep quality.
- Headaches: Extended periods of screen use can contribute to tension headaches and migraines regardless of posture.
So, the selected responses would be:
- vision problems
- sleep problems
- headaches
Musculoskeletal problems may be minimized by his good posture, but he might still be at some risk due to the nature of prolonged computer use.