1. Head/brain related symptoms (dizziness, blurred vision, indecision, decreased memory, slow thinking)
2. Facial features (blurred vision, dry eyes, photophobia, sneezing, nasal congestion, snoring)
3. Physical and emotional state(prone to fatigue, sleep disorders, emotional instability, tension and anxiety)
4. In terms of immune function, it is prone to contracting diseases, catching colds, and allergies