SAD, Many Here Could be Suffering with this Disorder

Many could be suffering from SAD.

https://www.mayoclinic.org/diseases-...s/syc-20364651

Firstly, get your Vit D levels sufficient, get a test but you can be almost sure of the deficiency when no SUN. And if you are not supplementing.


Overview
Seasonal affective disorder (SAD) is a type of depression that's related to changes in seasons — SAD begins and ends at about the same times every year. If you're like most people with SAD, your symptoms start in the fall and continue into the winter months, sapping your energy and making you feel moody. These symptoms often resolve during the spring and summer months. Less often, SAD causes depression in the spring or early summer and resolves during the fall or winter months.

Treatment for SAD may include light therapy (phototherapy), psychotherapy and medications.

Don't brush off that yearly feeling as simply a case of the "winter blues" or a seasonal funk that you have to tough out on your own. Take steps to keep your mood and motivation steady throughout the year.

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Symptoms
In most cases, seasonal affective disorder symptoms appear during late fall or early winter and go away during the sunnier days of spring and summer. Less commonly, people with the opposite pattern have symptoms that begin in spring or summer. In either case, symptoms may start out mild and become more severe as the season progresses.

Signs and symptoms of SAD may include:

Feeling listless, sad or down most of the day, nearly every day
Losing interest in activities you once enjoyed
Having low energy and feeling sluggish
Having problems with sleeping too much
Experiencing carbohydrate cravings, overeating and weight gain
Having difficulty concentrating
Feeling hopeless, worthless or guilty
Having thoughts of not wanting to live
Fall and winter SAD
Symptoms specific to winter-onset SAD, sometimes called winter depression, may include:

Oversleeping
Appetite changes, especially a craving for foods high in carbohydrates
Weight gain
Tiredness or low energy
Spring and summer SAD
Symptoms specific to summer-onset seasonal affective disorder, sometimes called summer depression, may include:

Trouble sleeping (insomnia)
Poor appetite
Weight loss
Agitation or anxiety
Increased irritability
Seasonal changes and bipolar disorder
People who have bipolar disorder are at increased risk of seasonal affective disorder. In some people with bipolar disorder, episodes of mania may be linked to a specific season. For example, spring and summer can bring on symptoms of mania or a less intense form of mania (hypomania), anxiety, agitation and irritability. They may also experience depression during the fall and winter months.

When to see a doctor
It's normal to have some days when you feel down. But if you feel down for days at a time and you can't get motivated to do activities you normally enjoy, see your health care provider. This is especially important if your sleep patterns and appetite have changed, you turn to alcohol for comfort or relaxation, or you feel hopeless or think about suicide.

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Causes
The specific cause of seasonal affective disorder remains unknown. Some factors that may come into play include:

Your biological clock (circadian rhythm). The reduced level of sunlight in fall and winter may cause winter-onset SAD. This decrease in sunlight may disrupt your body's internal clock and lead to feelings of depression.
Serotonin levels. A drop in serotonin, a brain chemical (neurotransmitter) that affects mood, might play a role in SAD. Reduced sunlight can cause a drop in serotonin that may trigger depression.
Melatonin levels. The change in season can disrupt the balance of the body's level of melatonin, which plays a role in sleep patterns and mood.
Risk factors
Seasonal affective disorder is diagnosed more often in women than in men. And SAD occurs more frequently in younger adults than in older adults.

Factors that may increase your risk of seasonal affective disorder include:

Family history. People with SAD may be more likely to have blood relatives with SAD or another form of depression.

Having major depression or bipolar disorder. Symptoms of depression may worsen seasonally if you have one of these conditions.

Living far from the equator. SAD appears to be more common among people who live far north or south of the equator. This may be due to decreased sunlight during the winter and longer days during the summer months.
Low level of vitamin D. Some vitamin D is produced in the skin when it's exposed to sunlight. Vitamin D can help to boost serotonin activity. Less sunlight and not getting enough vitamin D from foods and other sources may result in low levels of vitamin D in the body.

Complications
Take signs and symptoms of seasonal affective disorder seriously. As with other types of depression, SAD can get worse and lead to problems if it's not treated. These can include:

Social withdrawal
School or work problems
Substance abuse
Other mental health disorders such as anxiety or eating disorders
Suicidal thoughts or behavior
Prevention
There's no known way to prevent the development of seasonal affective disorder. However, if you take steps early on to manage symptoms, you may be able to prevent them from getting worse over time. You may be able to head off serious changes in mood, appetite and energy levels, as you can predict the time of the year in which these symptoms may start. Treatment can help prevent complications, especially if SAD is diagnosed and treated before symptoms get bad.

Some people find it helpful to begin treatment before symptoms would normally start in the fall or winter, and then continue treatment past the time symptoms would normally go away. Other people need continuous treatment to prevent symptoms from returning.


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