I am asking for my mother. She is on medication for Diabetes, Blood Pressure and Thyroid & all are under control according to recent check up also. But she feels bitter taste in most of the food she has. Mostly she has homemade food which we also have but we feel the food to taste as normal only. She feels it's salty or bitter. What could be the reason for that? Please do let me know what could be the issue and what further action has to be taken. Thank you