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Health

Eye Color May Be Linked To Seasonal Depression، Says Study

Friday 11/January/2019 - 09:09 PM
Sada El Balad
Edited by Ahmed Moamar
People suffering from winter Seasonal Affective Disorder may experience low mood، increased sleepiness، social withdrawal، and a craving for high starch foods، according to Technical Times.

The study published in the Open Access Journal of Behavioural Science & Psychology gave questionnaires to a sample size of 175 student participants to understand the extent of mood variations due to changing seasons. The questions helped researchers estimate the deviations in person's sleep، energy levels، weight، and appetite in fall and winter months.
"We found that people with light or blue eyes scored significantly lower on the seasonal pattern assessment questionnaire than those with dark or brown eyes،" wrote Lance Workman، the lead author of the study and visiting professor of psychology at the University of South Wales.

Workman further said that the findings of the study resonate previous research concluding that people with dark-colored eyes are more vulnerable to depression than the ones with light blue eyes because of the difference in how much light their eyes can process.
The author explains that people with light-colored eyes، or grayblue eyes، are more sensitive to light. It means that they do not need as much light for their retinal cells to process visual images. This also indicates that these people do not release as much melatonin as the dark-eyed people during the winter season.

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