Training Your Sense of Smell: A Path to Better Brain Health

Research indicates that the ability to discern odours is closely tied to mood, cognition, and overall well-being. A recent study conducted in 2022 involving 407 American students revealed surprising insights into how individuals value their senses. When asked which sense they would most willingly give up, more than 80% of participants chose to forfeit their sense of smell. Alarmingly, a quarter indicated they would sacrifice it in exchange for the ability to keep their mobile phones.

Such decisions have raised concerns among experts, particularly Professor Barry Smith, the founding director of the Centre for the Study of the Senses at the University of London. He argues that this perspective is fundamentally flawed. According to Smith, research published in the International Journal of Neuroscience has shown that individuals who lose their sense of smell—known as anosmia—experience higher levels of depression than those who lose their vision.

The implications of losing one’s sense of smell extend beyond mere preference. Smith states, “Losing your smell can have a devastating effect on your life and can seriously affect your health.” This insight challenges the common perception that smell is a less valuable sense compared to sight and hearing.

The study highlights a growing need for awareness about the crucial role of olfactory senses in mental health. Individuals often overlook how integral smell is to daily experiences, from enjoying food to triggering memories. Enhancing one’s sense of smell may not only improve enjoyment of life but also positively impact mental well-being.

Research into the benefits of training the olfactory system is gaining momentum. Techniques such as regular olfactory training—where individuals consciously practice identifying different scents—can enhance one’s ability to detect and differentiate smells. This process involves repetitive exposure to specific aromas, which can strengthen neural connections and improve olfactory function over time.

Experts suggest that incorporating smell training into daily routines could be beneficial for individuals looking to improve their cognitive health. Simple activities, such as using essential oils or engaging in cooking with fragrant herbs and spices, can serve as effective methods for this training.

As society increasingly focuses on mental health, understanding the role of all senses, including smell, is essential. Recognizing that the sense of smell is not merely an accessory to other senses, but a vital aspect of overall health, can lead to a more holistic approach to well-being.

In conclusion, the findings underscore the importance of valuing and nurturing the sense of smell as part of a comprehensive strategy for maintaining brain health. As Professor Smith emphasizes, our senses contribute significantly to our emotional and psychological states, and neglecting any one of them can have far-reaching consequences.