Examlex
A person's useful life expectancy refers to the age at which half of the people born in a particular year will have died.
Salivate
The production of saliva in the mouth, often as a reflexive response to the sight, smell, or thought of food.
Classical Conditioning
The kind of learning in which an unconditioned response (such as salivating) that is naturally elicited by one stimulus (such as food) becomes elicited also by a new, conditioned stimulus (such as a bell).
Food Poisoning
A condition caused by consuming contaminated food or beverages with harmful bacteria, viruses, or other pathogens.
Nostalgia
A sentimental longing or wistful affection for the past, typically for a period or place with happy personal associations.
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