Chronicles
19 December 2023
Seasonal Depression
Seasonal depression, also known as Seasonal Affective Disorder (SAD), is a type of depression that occurs at a specific time of the year, typically during the fall and winter months. Light plays a crucial role in SAD, and here is what you need to know about it.
Causes of Seasonal Depression
The primary cause of SAD is often linked to a reduction in exposure to natural light during the winter months, especially daylight. The decrease in natural light can influence serotonin levels (a mood-related neurotransmitter) and melatonin levels (a sleep-related hormone).
Symptoms of SAD
Symptoms of SAD are similar to those of major depression and may include a depressed mood, loss of energy, sleep problems, changes in appetite, loss of interest in usual activities, among others.
Light Therapy
Light therapy is a commonly used approach to treat SAD. It involves exposure to bright artificial light, often mimicking natural daylight. Regular exposure to this light can help regulate circadian rhythms and improve mood.
Importance of Natural Light
Spending time outdoors during the day, especially in the morning, can be beneficial in alleviating SAD symptoms. Even on cloudy days, outdoor light is more intense than indoor light.
Lifestyle Changes
In addition to light therapy, other lifestyle changes can help manage seasonal depression. This includes maintaining a regular sleep routine, engaging in regular exercise, eating a healthy diet, and seeking social support.
Prevention
To prevent seasonal depression, start implementing strategies early in the fall. This may include preventive use of light therapy, vacations to sunny destinations, and planning enjoyable activities to boost morale.
Light plays an essential role in mood regulation, and its impact on seasonal depression is well documented. If you or someone you know is experiencing symptoms of seasonal depression, do not hesitate to consult a healthcare professional for an assessment and appropriate advice.