1. Hypericum perforatum, St John's wort, is an invasive weed of natural and agroecosystems in south-eastern Australia. In previous work we used a long-term data set to determine which plant traits and ...

The largest clinical trial performed to date on the popular herbal supplement St. John's wort (Hypericum perforatum) has found it to be no more effective than placebo for the treatment of a moderately ...

Children and teens with attention-deficit/hyperactivity disorder who were treated with the herb St. John's wort did not have any greater improvement in ADHD symptoms ...

St. John's wort (an extract of Hypericum perforatum) is known as an effective treatment for mild depression. A study published in The British Medical Journal this week is the first to suggest that it ...

THE bright yellow flowers of hypericum have appeared in gardens over recent weeks, and the strange thing is that although it covers itself with really bright yellow flowers, it tends to be a rather ...