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
, and burns. It would also have effects against some respiratory diseases
and relieve rheumatism
. Its use must be cautious, however, because of some toxicity in large doses.