Synopsis

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

Mint, particularly in the form of peppermint (Mentha piperita), is commonly used to help relieve symptoms of colds, especially nasal congestion, due to its active component, menthol. Menthol is well-known for its cooling sensation and its ability to create a subjective feeling of easier breathing. Scientific studies indicate that menthol can affect cold receptors in the nasal passages, producing a sensation of improved airflow even though it does not actually decongest nasal passages physiologically.

A few clinical trials have assessed menthol’s role in cold symptom relief. For example, a study published in Current Medical Research and Opinion (2003) found that inhalation of menthol did not significantly reduce nasal airway resistance, but subjects reported improved breathing comfort. Another study in Rhinology (1994) showed similar findings—while menthol did not open nasal airways, it made people feel less congested.

Historically, mint preparations have been used in many cultures as remedies for colds and respiratory complaints, supporting its traditional usage as well. However, from a strict scientific perspective, the evidence supporting mint as an effective decongestant is limited to subjective improvement rather than measurable physiological effects. Therefore, while mint may help people feel less congested, its use as a true decongestant is not strongly supported by rigorous clinical data.

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