Scientists at the University of Bonn have identified a substance
that appears to be partly responsible for the previously
unexplained sedative effect of valerian, a herbal native to Europe
and used for more than 2,000 years.
The World Health Organisation (WHO) yesterday released guidelines
for good agricultural and collection practices for medicinal
plants, aimed at making governments aware of the increasing risk to
plant species and the need for good...
A single dose of a dietary supplement containing ephedra and
caffeine can increase blood pressure and cause changes that have
the potential to affect heart rhythms, shows a new study by
Growing sales of herbal medicines are threatening to wipe out up to
a fifth of the plant species on which the industry depends, a new
report will claim. It also accuses the herbal medicines industry of
doing nothing to stop the problem.
The use of herbal medicines entails risks, but probably fewer than
with synthetic drugs, argues a British Medicial Journal
editorial out tomorrow. And failing to fund further studies on
herbals represents the biggest risk to consumers,...