There are several ways to identify if a health service provider is a quackery or not. But the best solution is to check the establishment's practices. Be sure that there is a certificate from the government approving of the place. Nurses and doctors should check the vitals of patients. They must also always have a visible ID.
Answer:
Seasonal affective disorder
Explanation:
The seasonal affective disorder is a subtype specifier which represents the episode of the bipolar disorder or major depressive disorder.
The specifier requires a particular time of the year that is 2 years and the temporal seasonal relationship that is the onset of depression in the month of winter or late fall and remission in the spring.
Ths symptoms of this disease are weight gain, hyperphagia and hypersomnia.
Thus, Seasonal affective disorder is the correct answer.
Benign is harmless, malignant is dangerous.