What might be a diagnosis for Sylvia?

Major Depressive Disorder (MDD):

- Prolonged periods of low mood

- Loss of interest in activities

- Changes in appetite and sleep

- Fatigue and decreased energy

- Difficulty concentrating

- Feelings of worthlessness or guilt

- Suicidal thoughts or behaviors

Sylvia's symptoms, including low mood, loss of interest in activities, changes in sleep and appetite, and feelings of worthlessness, align with the diagnostic criteria for MDD. It's important for Sylvia to seek an evaluation from a mental health professional for a proper diagnosis and appropriate treatment.