

|
Pain is a universal human experience. The International Association for the Study of Pain (IASP) defines pain as "an unpleasant sensory and emotional experience associated with actual or potential tissue damage or described in terms of such damage...
|
|
Pain, medically termed "nociception," is a response to noxious stimuli that is conveyed to the brain by sensory neurons . The discomfort signals actual or impending injury to the body. However, pain is more than a sensation, or the physical awaren...
|
|
Pain is an unpleasant feeling that is conveyed to the brain by sensory neurons. The discomfort signals actual or potential injury to the body. However, pain is more than a sensation, or the physical awareness of pain; it also includes perception, ...
|
|
Pain is an unpleasant feeling that is conveyed to the brain by nerves in the body.
|
|
Pain is an unpleasant feeling that is conveyed to the brain by sensory neurons. The discomfort signals actual or potential injury to the body. However, pain is more than a sensation, or the physical awareness of pain; it also includes perception, ...
|
![]() |
Hoarseness is having difficulty producing sound when trying to speak, or a change in the pitch or quality of the voice. The voice may sound weak, very breathy, scratchy, or husky.
|
|
A voice disorder is an abnormality of one or more of the three characteristics of voice: pitch, intensity (loudness), and quality (resonance).
|
![]() |
Hearing loss is the total or partial inability to hear sound in one or both ears. See also: Hearing loss of aging
|
|
|
Hearing loss is any degree of impairment of the ability to apprehend sound.
|
|
Hearing impairment is the temporary or permanent loss of some or all hearing in one or both ears.
|
|
Hearing begins in the womb—pregnant women have reported feeling the fetus move in response to loud noises at 31 weeks (7 weeks before full-term delivery). Newborns are sensitive to the location, frequency, pitch, and volume of sounds. Loud sounds ...
|
|
|
Hearing loss is any degree of impairment of the ability to apprehend sound.
|
|
|
Hearing loss is any degree of impairment of the ability to comprehend sound.
|
|
Hearing disorders range from a temporary, partial loss of hearing to the permanent loss of hearing known as deafness.
|
![]() |
Occupational hearing loss is damage to the inner ear from noise or vibrations due to certain types of jobs or entertainment.
|
|
Hearing impairment occurs in all age groups. In children hearing loss can be genetic or acquired as a result of infection either during fetal development or during childhood. It is estimated that up to 1 child in every 1,000 live births suffers fr...
|
![]() |
Facial paralysis is the total loss of voluntary muscle movement of one side of the face.
|
|
Dysphagia is a disorder of swallowing.
|


