Definition
Nigella is a plant found mainly on the Asian and European continents. There are different kinds which are cultivated for its seeds, called black cumin, and used as a spice. It has long been used as a medicinal plant, the Nigella seed has soothing, revitalizing, and anti-inflammatory virtues, and is used especially in some cultures against skin problems like
eczema,
psoriasis, and burns. It would also have effects against some respiratory
diseases and relieve
rheumatism and
inflammation. Its use must be cautious, however, because of some toxicity in large doses.