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Is seasonal depression real?

As the temperatures drop and the winter jackets emerge, many people will be diagnosed with seasonal depression, also called seasonal affective disorder (SAD). Amazingly, as the weather changes, up to 10% of people living in northern latitudes will be categorized as depressed.

But what exactly is seasonal depression?

How is it different from our natural reactions to the shifting seasons?

Considered an independent disorder, seasonal depression is a label given to people who report feeling sluggish, having difficulty concentrating, craving carbs, and withdrawing from social activities (aptly called “hibernating”). Risk factors for seasonal depression include living far from the equator, having a history of depression, and being female (thanks, scientists), as women are four times more likely to be diagnosed with seasonal depression than men – and then put on antidepressants to mask these symptoms.

But what if these “symptoms” of seasonal depression are simply messages? Why is it a disease to feel a meaningful shift when winter comes?

Modern living fails to recognize the cyclical nature of life that was celebrated for centuries by our tribal ancestors. In our 3G-enabled state of constant distractions and accessibility, we’re expected to always be on. We ask ourselves to exhibit the same level of energy and productivity whether it’s summer or winter, and we wonder why it’s tough to conjure up motivation when the sun sets early. This expectation of constant high-functioning is a masculine energy that can lead to burnout. And when we don’t feel like maintaining our zillions of commitments or feel overwhelmed by everyone’s perfect online lives, we’re at a high risk of being diagnosed with depression.

But what if we recognize that the universe is governed by cycles: within the day, within the month, and within the year? Amazingly, even our bodies are governed by cycles. You’ve likely heard of circadian rhythms, the idea that our hormones and blood pressure fluctuate in harmony with the sun,and women’s cycles align with the moon. Maintenance of these cycles is so important that their disruption can lead to neurodegenerative diseases and mood disorders like depression.

Even our individual cells operate in a cyclical nature, orchestrated by clock genes. Recent studies have shown that our immunity is different depending on the time of day; a wound at night heals slower than a daytime wound. And thyroid functioning also slows in the winter, which is not a pathology – just a response to the season. This thyroid slowing might explain the carb cravings and lowered energy that are diagnostic criteria