How do smells affect the brain?
The sense of smell is one of the most primal human senses. Smells are processed by the olfactory bulb, which directly connects to the limbic system - the part of the brain responsible for emotions, memory and behavior. This explains why smells can have such a strong effect on our emotions and trigger intense memories. In fact, one of the most well-known effects in psychology is the so-called Proust effect, which relies on the fact that a smell can recall very detailed memories of the past, often in combination with strong emotions.
Studies have shown that some scents can have a soothing effect, helping to reduce stress and improve mood, while others can stimulate and increase concentration. For example, the scent of lavender is known for its relaxing properties, while peppermint can improve our ability to focus. What's more, scents can also affect hormone levels in the body, which can alter our mood and emotions at any given time.
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