The loss of hearing could be either conductive hearing loss, sensorineural hearing loss or mixed hearing loss. Conductive hearing loss is due to problems with the ear canal, ear drum, or middle ear and its bones. The causes of this type of hearing loss can include but not limited to fluid in the middle ear from colds, allergies, earwax, and infections. Some of these causes can be treatable with surgery and even antibiotics while some will have to use a hearing aid. Sensorial hearing loss is due to problems of the inner ear and is also known as nerve-related hearing loss. Causes can be exposure to loud noise, head trauma, diseases, genetics, and through aging. Mixed hearing loss is the combination of conductive and sensorineural hearing loss, meaning that there may be damage in the outer or middle ear and in the inner …show more content…
The nose has an olfactory cleft where special cells can sense the various odors we breathe in and sends their signals to the brain through the olfactory nerve. The complete loss of smell is called anosmia and is closely related to the loss of taste. For some, the loss of smell is only temporary due to severely congested nose from a cold. However, for some people including many elderly the problem may continue and be a sign of a more serious medical condition. Some other causes besides nasal congestion can be nasal polyps, injury to the nose, exposure to toxic chemicals, medications, drug abuse, old age, and radiation treatment. The more serious medical conditions that can cause anosmia are Alzheimer’s, Parkinson’s, obesity, diabetes, malnutrition and multiple