Evidence supporting the use of: Rosemary
For the health condition: Colds (prevention)

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Rosemary (Rosmarinus officinalis) has a long history of use in traditional medicine for a variety of ailments, including the prevention and treatment of colds. In folk medicine, rosemary was often used as an herbal tea or inhaled as a steam to help alleviate symptoms of respiratory infections such as congestion and cough. This traditional use is likely based on its aromatic properties and the belief that its essential oils possess antimicrobial and anti-inflammatory effects.

Scientific studies on rosemary’s direct effects on the prevention of the common cold are limited. Some in vitro research has shown that rosemary essential oil and its main constituents (such as 1,8-cineole and rosmarinic acid) have mild antimicrobial and antiviral activity, and some animal studies suggest anti-inflammatory and immune-modulating effects. However, there is not enough clinical evidence in humans to support its use specifically for cold prevention or treatment.

Overall, rosemary’s use in this context is primarily justified by traditional practices rather than robust scientific validation. Its pleasant aroma and potential mild antimicrobial effects may contribute to symptom relief, but more rigorous human studies are needed to confirm its efficacy for colds.

More about rosemary
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