Allergy is an unusual reaction, caused by hypersensitivity towards a specific substance, which, under normal circumstances is harmless to the human organism. Allergy can be manifested by: Respiratory allergy (allergy of the respiratory pathways);…
Audiology is the study regarding the causes of deafness and decreased auditory perception. These studies aim to create new diagnostic and treatment methods (surgery, assisting hearing devices, etc.). Risk-factors for deafness: Hereditary risk-factors; …