Q. My 11 year old cat has suddenly lost weight, has hair loss. He still eats, drinks, pees, poops, and plays. What could be wrong?

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A. Weight loss is always a worrying sign. It may be due a number of problems like over-active thyroid gland or other hormonal problems, diabetes, kidney or liver disease or even a tumour. You should take him to your vets for examination and possibly blood test and urine analysis.

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