I can't smell or taste good. my taste is limited. why?

Taste & Smell: The taste sensation is closely link to your smell abilities. If you loose your sense of smell, food will not taste the same. Loosing smell sensation is more common. This could be due to allergies, sinus infections or head trauma. Rarely other more serious conditions like tumor or degenerative disorders can lead to loss of smell. Please, check with your physician for proper diagnosis and treatment.