The doctor told about the benefits of citrus aromas for the nervous system

Inhaling citrus aromas can reduce stress levels by affecting the nervous system. Ekaterina Sergeeva, a general practitioner, told Izvestia about this on April 8.

"When inhaling citrus aromas, molecules of essential compounds, especially limonene, stimulate olfactory receptors in the nose. The signal instantly enters the limbic system of the brain, which is responsible for emotions and memory. This reduces the activity of the hypothalamic—pituitary-adrenal axis, which leads to a decrease in the production of cortisol and adrenaline," the specialist explained.

The most pronounced effect, the doctor noted, is given by lemon and orange due to the high concentration of limonene. Grapefruit also has an effect, but its aroma is more often tonic.

To achieve the effect, it is enough to inhale the citrus aroma for 5-10 minutes, taking calm deep breaths. This method can be used as a daily stress prevention, for example in the morning or before going to bed.

Sergeeva clarified that the difference between the smell of fresh fruits and natural essential oils is not fundamental, but the oils provide a more stable effect. At the same time, synthetic flavors do not give such an effect, and aromatherapy should be used only in the absence of allergies.

On April 4, Varvara Veretyuk, a gastroenterologist and therapist at Invitro, reported that taking large doses of vitamin C is not always justified and may not have the expected effect. She noted that with moderate intake (30-180 mg per day), 70-90% of the vitamin is absorbed, and doses over 100 mg lead to tissue saturation.

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