Pleasant geur neutraliseren in huis is any kind of feeling that feels good, such as pleasure from a picnic in the park or a warm hug. The word pleasant comes from the Latin pleonas, which means “good” or “grateful.” It contrasts with unpleasant feelings like anger and fear.

Pleasant emotions include happiness, gratitude, interest, and joy. They also include optimism, hope, and love—emotions that inspire us to believe in a bright future or that motivate us to put other people’s needs ahead of our own.

The concept of pleasant emotion is more inclusive than the concept of positive emotion. It includes a wide range of emotions, including those that are often mistakenly identified as negative—disgust, hostility, anger, and envy. These negative emotions can be uncomfortable, but they do not typically narrow a person’s momentary thought-action repertoire in the way that many positive emotions do.

In fact, several studies have shown that people who experience the positive emotions of joy and gratitude have more flexible thinking than those who do not. These flexible thoughts help people find solutions to problems that they face.

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Some research suggests that positive emotions, especially happiness, promote a healthy lifestyle. A recent study found that happy people are more likely to be physically active and less likely to smoke and drink alcohol. Another interesting finding is that there is a link between positive moods and immune system functioning. For example, positive emotions are associated with a decrease in physical symptoms and an increase in immune system activity (Levenson, Ekman, & Friesen, 1992). These results suggest that by deliberately cultivating experiences of positive emotion we can take control of our health.