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Talking scents: Aromatherapy's benefits for mind and body

Talking scents: Aromatherapy's benefits for mind and body

Published on

29 Jun 2022

Published by

AsiaOne


"Healing begins with an aromatic bath and daily massage," said Hippocrates. Even 2,400 years ago, the "father of medicine" understood the power of aromatics in restoring one's health.

 

Yet many people don't realise the powerful role scent plays in our lives — a role so significant that incorporating aromatherapy into our routines can have notable benefits for our mental, physical and holistic health.

 

Aromatherapy's history

 

Essential oils — compounds extracted from plants to preserve their odour and flavour — date back to ancient China, Persia and Egypt.

 

The method of distilling oils eventually spread to Europe and, by the 1500s, oils such as cedarwood, rose and myrrh could be found in medieval European pharmacies.

 

Most essential oils are distilled, but they can also be cold-pressed or extracted through other methods.

 

Aromatherapy — the therapeutic use of essential oils — is considered a holistic health treatment that can help strengthen the mind and body.

 

It is increasingly being used to help offset side effects of treatments in cancer patients. The oils are dispersed through candles or diffusers and inhaled, or applied topically through massage or the use of skincare products.

 

How scents affect our well-being

 

"Aromatherapy [is] so powerful because aroma directly impacts your limbic system, which is your primal emotional centre," says Anita Cheung, a certified aromatherapist and founder of health and wellness centre iLiving, in Hong Kong's Central district.

 

Olfactory signals directly reach the hippocampus and amygdala, two regions of the brain that affect memory and emotions.

 

There's no right way to apply essential oils; different people might respond better to different methods, Cheung says. Scents have varying properties and benefits — physical or emotional — so it's important to do your research before trying them.

 

For example, citrus essential oils can lift spirits with their bright, zesty aroma, but they also amplify sunlight and can cause you to burn quicker, so you shouldn't apply them before sunbathing, Cheung says.

 

Ginger can improve digestion, wintergreen can relieve pain and clove oil has natural anaesthetic properties.

 

Sandalwood, which Cheung has loved since she was a child, has a grounding feel. "[Woodsy scents] bring you back to your centre. If you think about the plant, the centre is the tree trunk," she says.

 

Their benefits for mind and body

 

Cheung says essential oils provide a wide variety of benefits to her clients: some develop younger-looking skin and see notable hair growth, others have used oils to soothe period pain and minimise stretch marks.

 

Many of them apply the essential oils topically, through lotions or gels.

 

In her practice and research, Dr Theresa Lai Tze-kwan has also seen how aromatherapy can help people, especially cancer patients. An assistant professor at Caritas Institute of Higher Education's School of Health Sciences, Lai began her career in nursing.

 

While working in palliative care, she learned how aromatherapy can be used as a complementary treatment to soothe patients' physical and psychological symptoms.

 

"My purpose is not aimed at curing something, but just [increasing] the patient's comfort," she says, noting that the majority of her patients have incurable illnesses.

 

While aromatherapy can have a variety of positive physiological effects, neither Cheung nor Lai make the claim that it should be used in place of modern medicine and treatments. Rather, aromatherapy can be a beneficial supplement.

 

Aromatherapy's use in cancer recovery

 

With her patients, Lai mostly applies essential oils through massage. She works closely with a patient's doctor to ensure that aromatherapy is a suitable treatment and to identify symptoms the patient is dealing with.

 

Nausea is a common side effect of chemotherapy and other cancer treatments. Lai also sees many patients dealing with constipation, including lung cancer patients who might lack abdominal strength.

 

In a 2012 study, Lai and other doctors found that those who received aromatherapy massage had a higher number of bowel movements on average than those who received a regular massage or no massage.

 

To help relieve constipation, Lai might mix carrier oil [used to dilute essential oils, as using oils directly can cause skin irritation] such as olive or jojoba with bitter orange, black pepper and rosemary essential oils and massage it into the abdomen.

 

For anxiety or insomnia, Lai will generally use more relaxing oils such as lavender or camomile.

 

A study published in the Journal of Clinical Nursing has found a number of other positive effects of aromatherapy on female cancer patients, including improved energy level, appetite and mood, as well as reduced pain, muscular tension and numbness.

 

Safeguards for patients

 

Lai says it's important to choose oils that won't cause an adverse reaction.

 

"For example, if the [patient's] blood pressure is really low, I can't use too much lavender, because it will further lower their blood pressure." Rosemary essential oil, on the other hand, can increase blood pressure, so she won't use it with those suffering from high blood pressure.

 

The frequency of application and the amount of essential oils used also matters — Lai cautions against using too much oil directly on the skin and says that a balanced ratio of essential oil to carrier oil for massage purposes is important.

 

In her practice, Lai will sometimes mix oils to counteract specific effects, and during massage she'll avoid certain sensitive areas. She's very conscious of how the essential oils are used, and studies a patient's medical history.

 

"For our patients, all of them have advanced cancer, so I never recommend [using essential oils] by themselves. All of them should go through a very systematic and holistic assessment to make sure that they have no contraindications, and the medical officer in charge [is] aware of what they are using," she says.

 

Lai will either perform the aromatherapy treatment herself or solicit a trained professional to do so.

 

In some cases, such as patients dealing with oedema (swelling caused by excessive fluid, usually after radiation therapy) who can benefit from daily massage, she will teach family members how to apply the oils.

 

Lai recommends seeking a doctor's approval before using essential oils if you are pregnant or seriously ill.

 

Scents can bolster mental health

 

While aromatherapy provides physical health benefits, essential oils can also have significant emotional and mental health benefits.

 

For people dealing with traumatic events or long-term illnesses, essential oils can help people bolster their mental fortitude, Cheung says.

 

"Physical and emotional health is about being adaptable," she says. Because essential oils have that direct path to the hippocampus and amygdala, they can affect your emotional state and help boost resilience and tolerance when dealing with difficulties, she says.

 

A whiff of a pleasant fragrance can help uplift your mood, so don't avoid them, Cheung adds.

 

"Aromatics are everywhere in our life," she says, so go explore which scents are the right ones for you.

 

This article was first published in South China Morning Post.

 

Source: AsiaOne © Singapore Press Holdings Limited. Reproduced with permission.

 


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