Do not take flippantly the complaint of fixed whistling in your ear, sir. It can be an indication of vitamin-B12 deficiency in the physique. A current examine in the US National Library of Medicine warned this …

Do not take flippantly the complaint of fixed whistling in your ear, sir. It can be an indication of vitamin-B12 deficiency in the physique. A current examine in the US National Library of Medicine warned this …