SAD 30, or Seasonal Affective Disorder 30, refers to a specific type of depression that occurs during certain seasons, typically in the fall and winter months. It is characterized by symptoms such as low energy, mood changes, and difficulty concentrating. The condition is believed to be linked to reduced sunlight exposure, which can affect the body's internal clock and levels of serotonin and melatonin. Treatment options for SAD 30 often include light therapy, where individuals are exposed to bright artificial light to mimic natural sunlight. Other approaches may involve psychotherapy, medication, and lifestyle changes, such as increased outdoor activity and exercise, to help alleviate symptoms and improve overall well-being.