That pre-sleep herbal tea may be doing many people a lot of good.
The root of the black cohosh plant has a long history of use in Europe and became popular around the world after receiving German approval as a non-prescription drug for hot flushes in 2000.
In many instances complementary medicines have no added benefit when compared to a placebo, or weak evidence of effectiveness.
There are several natural remedies that have can help reduce cancer cells.
Complementary and alternative medicine could alleviate many of the access problems within primary health care in South Africa's rural areas if it was fully integrated into the system.