Yes, light therapy can be highly effective in treating Seasonal Affective Disorder (SAD). Light therapy involves exposure to a bright light that mimics natural sunlight, usually for about 20-30 minutes each morning. This therapy helps regulate the body's internal clock and balance neurotransmitters associated with mood. Light boxes designed specifically for SAD emit a specific wavelength of light that is beneficial. It's important to use light therapy under the guidance of a healthcare professional to ensure the right intensity and duration. Light therapy is often considered a safe and non-invasive treatment option, but it's best to consult a doctor before starting this therapy, especially if you have underlying medical conditions.