Depression is both a physiological and physical condition. Physiologically, depression is caused by an imbalance in the brain chemicals known as neurotransmitters, specifically, serotonin, norepinephrine, and dopamine. Low levels of these neurotransmitters can cause feelings of sadness, lack of motivation, and a general lack of interest in activities.
Physically, depression can manifest itself in many ways, including fatigue, insomnia, decreased appetite, headaches, muscle aches, stomach pain, and digestive problems. People with depression may also experience a decrease in energy, difficulty concentrating, difficulty making decisions, and a decrease in libido. All of these physical symptoms can have a major impact on a person’s ability to function normally.
Depression is an incredibly complex condition, and its causes are not always clear. It can be caused by a variety of factors, including genetic predisposition, environmental stressors, and even certain medications. While research is ongoing, it is clear that depression is both a physiological and physical condition. Treatment for depression often involves a combination of medication, therapy, and lifestyle changes, as each of these elements can help a person manage the symptoms of depression.