Hello sir/ mam, From last 1 year gradually my weight is decreasing / body mass index decreasing,(~3kg has decreased) Also I am suffering from irregular palpitations not only in heart also in brain and neck. & sometimes feel diziness, never feel stable, feel like lightedness . I take proper nutrition daily, also my haemoglobin is 11.4 , I have done CT chest., it is absolutely normal, Thyroid report is absolutely normal, also I checked sputum., it is also normal.., CBC report is completely normal. My Appetite is normal. But why this happening I'm totally confused., what should I do., please guide me regarding... (It is affecting my study)