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Ketones react readily with the Tollens' reagent.
Lyubomirsky
A psychologist known for her research in human happiness, focusing on how people can sustainably increase their levels of happiness.
Facial Feedback Hypothesis
The idea that facial expressions can influence emotional experiences, suggesting that smiling can make one feel happier.
Hedonic Treadmill
A theory suggesting that individuals tend to return to a relatively stable level of happiness despite major positive or negative events or life changes.
Negative Affect
A psychological state involving feelings of distress, discomfort, and unhappiness.
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