newsweek.ro/sanatate/de-ce-clipesc-oamenii-o-perso

Blinking serves multiple purposes beyond lubrication, including protecting the eyes and aiding cognitive processing. People blink approximately 15,000 to 20,000 times daily, spending about 90 minutes with their eyes closed. Research shows that blinking is synchronized with speech and visual experiences, acting as a natural pause for the brain to process information. The frequency of blinking varies with emotional state and cognitive effort, revealing insights into brain chemistry. Conditions like Parkinson's disease and schizophrenia significantly affect blinking rates due to dopamine levels.