In the Hindu religious tradition, the tulsi, or holy basil, plant serves both as an important symbol and also as a popular medicinal remedy.
Diamond use to be the hardest known natural substance now it is the mineral lonsdaleite at 58% stronger then diamond is the first the second hardest is wurtzite boron nitridâ¦e at 18% stronger then diamonds they are both extreamly rare natural minerals sources http://www.newscientist.com/article/dn16610-diamond-no-longer-natures- ...
They wondered whether humans might produce something similar â and by analysing saliva samples, hit upon opiorphin. This is the first natural substance to be found in humans that exploits this mechanism to relieve pain. But it's unlikely that opiorphin ordinarily has a painkilling role in the body, says Alistair Corbett, a specialist on opioids at Glasgow Caledonian University, UK.