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Mind-boggling formula to detect 'Winter blues' Mind-boggling formula to detect ’Winter blues’

A mind-boggling formula to tell whether someone will suffer from "Winter blues" has been revealed by experts.

Seasonal Affective Disorder (SAD) affects an estimated 30 per cent of the population and is blamed on a reduction in daylight hours.

The effects of SAD include depression, lethargy, reduced sociability and a craving for comfort food.

The formula is X = a x ((24-b) x (c+d+e) + f x (g+h+i)) where X is a susceptibility rating with a score from zero to 828.

Meanwhile, "a" relates to "inherent vulnerability" so if there is no history of depression in a person’s family, "a" will have a of one.

But, if there a history, a score of two is given and if both the person and the family have suffered from depression, a three value is given.

The letter "b" is approximately the number of hours of winter daylight where you live (minimum six hours). And "c" is the psychological effect of leaving home or the office each day in the dark.

So if a person leaves home and returns each day in daylight the value is zero, while if they leave or return in the dark it is two, and four if they both leave and return in darkness.

The letter "d" is a rating of work conditions in terms of light contact, from one to four ; "e" is a similar rating of light exposure at home, again on a scale of one to four and "f" measures general stress levels, on a scale from one to five.

And "g" relates to sociability, rating daily levels of social contact on a scale of zero to four and "h" is a rating, from one to four, of how often a person exercises.

Finally, "i" measures the quality of diet on a scale of zero for a "very healthy, balanced diet" to four for a "very unhealthy diet with lots of stodgy processed food".

When worked out, an X sore of zero to 100 means a person is very unlikely to suffer from SAD.

Between 100 and 300 mild to moderate symptoms may be suffered while scores from 300 to 600 indicate there is a risk of symptoms severe enough to affect the quality of life.

A rating of 600 to 800 denotes a "very high risk" of SAD requiring medical help.

The formula was developed with extensive research and advice from consultant psychiatrist Dr David Wheatley.

Source : ITV.com

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