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Hyperosmia is an increased olfactory acuity (heightened sense of smell), usually caused by a lower threshold for odor. [1] This perceptual disorder arises when there is an abnormally increased signal at any point between the olfactory receptors and the olfactory cortex.
Dysgeusia, also known as parageusia, is a distortion of the sense of taste. Dysgeusia is also often associated with ageusia, which is the complete lack of taste, and hypogeusia, which is a decrease in taste sensitivity. [1] An alteration in taste or smell may be a secondary process in various disease states, or it may be the primary symptom.
Supertasters are individuals whose sense of taste for certain flavors and foods, such as chocolate, is far more sensitive than the average person. [1] The term originated with experimental psychologist Linda Bartoshuk and is not the result of response bias or a scaling artifact but appears to have an anatomical or biological basis.
Although described as "morning sickness," pregnant women can experience this nausea any time of day or night. The exact cause of morning sickness remains unknown. Nausea and vomiting in pregnancy is typically mild and self-limited, resolving on its own by the 14th week of pregnancy. Other causes should also be ruled out when considering treatment.
The woman consulted many medical practitioners but could not receive a reliable diagnosis. She was prescribed medications including nasal steroid sprays and other drugs, but they would not relieve her of her headaches and phantosmia symptoms. Through chemosensory evaluation, it was found that her senses of smell and taste were working normally.
Researchers are exploring gene therapy approaches to restore the sense of smell in individuals with congenital anosmia. [34] Fifth Sense is a UK-based charity dedicated to supporting people with smell and taste disorders. They collaborate with researchers and institutions to advance the understanding of congenital anosmia.
A RAND Corporation study pinpointed several unexpected predictors at age 60 that will likely lead to dementia later on. Researcher Peter Hudomiet and expert Dr. Marcie Smith discuss the health ...
Sensitivity to disgust rises during pregnancy, along with levels of the hormone progesterone. [18] Scientists have conjectured that pregnancy requires the mother to "dial down" her immune system so that the developing embryo won't be attacked. To protect the mother, this lowered immune system is then compensated by a heightened sense of disgust ...