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How Essential Oils Work? The Science Behind It

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How Essential Oils Work? The Science Behind It

 

Essential oils have been a trendy topic in the last few years, but there is a lot of ambiguity of whether they’re just nice scents to incorporate into our lives, or if they actually have scientific backing for helping to improve our lives. Luckily, we have worked with a number of nutritionists and aromacologists to craft our scents and they know the answer to how essential oils impact our lives. 

 

How do essential oils work?

They work in a communication between your nose (olfactory bulb) and your brain (the limbic system). Any time we smell something, especially in natural fragrances like essential oils, we inhale volatile particles called esters. These chemicals are what gives food flavours and allows us to smell aromatics. The sense of smell, like taste, comes from specialised sensory cells found in a small patch of tissue inside the nose, the process of which essentially goes like this:

 

1. The odour (esters) floats in the air reaching the nostrils and dissolving in the mucus (which is on the roof of each nostril). Underneath the mucus, in the olfactory epithelium, specialized receptor cells called olfactory receptor neurons detect the odour. These neurons are capable of detecting thousands of different odours.

 

2. The olfactory receptor neurons transmit the information to the olfactory bulbs, which are located at the back of the nose. The olfactory bulbs have sensory receptors that are actually part of the brain which send messages directly to the most primitive brain centres where they influence emotions and memories (limbic system structures) + higher centres where they modify conscious thoughts (neo-cortex). Helping us to distinguish different scents, like coffee from an orange, for example.

 

 

Now, let's talk abut more about the brain of emotions. 

The Limbic System: The Brain of Emotions

The olfactory bulb is one structure of the limbic system. The information captured by the sense of smell goes directly from the olfactory bulb to other structures of the limbic system. The limbic system is a network of connected structures near the middle of the brain linked within the central nervous system. These structures work together to affect a wide range of behaviours including emotions, motivation, and memory. This system deals with instinctive or automatic behaviours, and has little to do with conscious thought or will. The limbic system also deals with translating sensory data from the neo-cortex (the thinking brain) into motivational forces for behaviour.

 

The limbic system is centrally involved in the mediation between a person’s recognition of an event, their perception of it as stressful, and the resulting physiological reaction to it, mediated via the endocrine system. Stimuli are processed conceptually in the cortex, and passed to the limbic system where they are evaluated and a motivational response is formulated. This process forges a new memory, called what-when-where memory. Our memories are multi-sensory, for instance, when you think about how a chocolate chip cookie smells, it will remind you of your grandmother. These scents produce an emotional reaction, which in turn produces a physical reaction.

 

Essential oils are combined to stimulate the body to have that emotional reaction. Whether you need a boost of energy to start your day or to calm your nerves after a stressful day, essential oils are a powerful and natural way to support your body and improve your quality of life. There is research supporting the use of essential oils for a variety of health benefits. Essential oils can help from modulation of your mood since they have anti-anxiety properties, to healing agents since they have anti-inflammatory properties. 

 

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