St. John's wort
St. John's wort (Hypericum perforatum) is a flowering plant species of the genus Hypericum and a medicinal herb that is sold over-the-counter as a treatment for depression.
Pronunciation
The pronunciation of St. John's wort is /ˈsɪndʒənz wɜːrt/.
Etymology
The name "St. John's wort" comes from its traditional flowering and harvesting on St. John's Day, 24 June. The genus name Hypericum is derived from the Greek words hyper (above) and eikon (picture), in reference to the plant's traditional use in warding off evil by hanging plants over a religious icon in the house during St. John's day.
Medical Uses
St. John's wort is most commonly used for depression and conditions that sometimes go along with depression such as anxiety, tiredness, loss of appetite and trouble sleeping. There is some strong scientific evidence that it is effective for mild to moderate depression.
Related Terms
- Hypericin: This is one of the active chemical compounds in St. John's wort that is thought to be responsible for its antidepressant and anti-inflammatory properties.
- Hyperforin: This is another active chemical compound in St. John's wort. It has antibiotic properties and may contribute to the herb's antidepressant effects.
- Phototoxicity: This is a potential side effect of taking St. John's wort. It can make the skin more sensitive to sunlight.
See Also
External links
- Medical encyclopedia article on St. John's wort
- Wikipedia's article - St. John's wort
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