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You could be suffering from Hypothyroidism
which can cause weight gain
and thick dry skin
as well as hair fall. Have you checked your thyroid levels. It could indicate that you may be having high cortisol
which is definitely Cushing's but associated other pituitary hormones may be produced less as well like lower thyroid hormones. Stick to healthy diet and good exercise regimen for prevention of excess weight gain. Eat plenty of fresh fruits and green leafy vegetables.