Khaberni - An unusual taste in the mouth, whether bitter or sour, is not just a fleeting annoyance, but may represent an ...

The unpleasant taste that remains in your mouth for a long time can usually be attributed to the last food you ate. However, if strange tastes such as sour and metallic taste persist, it may be a sign ...

A bitter taste is traditionally considered a warning sign of potentially toxic substances. But not all bitter substances are harmful. For example, some peptides and free amino acids taste bitter, even ...

CHAPEL HILL, N.C. – Humans can sense five different tastes: sour, sweet, umami, bitter, and salty, using specialized sensors on our tongues called taste receptors. Other than allowing us to enjoy ...