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Zinc deficiency is defined either as insufficient zinc to meet the needs of the body, or as a serum zinc level below the normal range. However, since a decrease in the serum concentration is only detectable after long-term or severe depletion, serum zinc is not a reliable biomarker for zinc status. [1]
There have been several cases of people using zinc nasal sprays and suffering a loss of sense of smell. [1] In 2009 the US Food and Drug Administration issued a warning that people should not use nasal sprays containing zinc. [1] Excessive zinc intake may result in an unpleasant taste and/or nausea. [1] [7]
The FDA indicated that it had received reports of a loss of smell from approximately 130 Zicam Cold Remedy users since 1999. [21] The FDA voiced concern that the loss of smell may be long-lasting or permanent, while the condition for which these Zicam products are marketed—the common cold—typically resolves on its own without lasting ...
A few telltale signs of zinc deficiency include poor immune function, undesired weight loss, slow-healing wounds, hair loss, and loss of taste and smell, says Keaveney.
Losing your sense of smell or taste is one of the clearest signs that a person has contracted the coronavirus. Earlier in the pandemic, many cases abroad in Italy, China, and South Korea involved ...
Zinc may help shorten the length and severity of a cold—and some even think it can prevent them. Experts weigh in and dispel any myths.
An excess amount of zinc in the body can have negative effects on the immune system, and physicians must use caution when administering zinc to immunocompromised cancer patients. [44] Because taste disorders can have detrimental effects on a patient's quality of life, more research needs to be conducted concerning possible treatments such as ...
Losing or not having your sense of smell may be linked to changes in breathing that could lead to depression, social isolation or other mental health problems, a new study suggests.