Black cumin seeds (Nigella sativa),also known as kalonji or black caraway,is an annual herbaceous plant that is used to season curries,vegetables and pickles. Black cumin seed (also called black seed) should not be confused with the herb cumin (Cumunum cyminum) which is found in many grocery stores. They have little aroma and a herb-like taste similar to oregano. They resemble onion seeds and are often confused with them. Black seeds have been studied for use in cancer,immune disorders (powerful immunostimulant),inflammation,stomach and respiratory conditions and for womens health. Their digestive and respiratory benefits have been demonstrated when they are taken orally. They are believed to be useful for stimulation of menstruation and increasing milk flow during lactation. Several studies attribute and support these effects. Further,these black seeds are known for a number of other pharmacological effects including analgesic,antihistaminic,anti-asthmatic,anti-bacterial,anti-fungal,anti-viral,anti-parasitic and anti-hypertensive. Used as a tempering in food,black cumin seeds are a good source of nutritionally essential components. Compositional analysis shows that they contain appreciable quantities of carbohydrates,proteins and fats. Potassium,calcium,phosphorous and magnesium are predominant minerals,while considerable quantities of sodium,iron,manganese,zinc and copper are also present in them. Black seed oil is predominantly rich in polyunsaturated fatty acids (PUFA) as compared to saturated and mono-unsaturated fatty acids (MUFA). Significant amounts of vitamin A,vitamin E and phytochemicals are also present in it. Black seed powder,administered in the form of capsules in a recent study (2009) conducted at Aga Khan University Hospital,Karachi,was found to cause favorable changes in serum lipid levels,blood sugar,blood pressure and body weight. Since the results were not statistically significant,more studies with larger sample size are required to draw conclusions. Another study last year revealed that black cumin seeds were found to significantly lower total cholesterol level and LDL or bad cholesterol level. In other words,they have a strong anti-atherogenic (artery-clogging) effect. According to Ibn Sina (author of The Canon of Medicine,one of the most popular books in the field of medicine),black seed is good for: 1) Detoxification of the body2) Reduction of mucous and strengthening of lungs3) Prevention of fever,coughs,colds,toothache and headache4) Remedy for poisonous bites and stingsIt may be a good idea to flavour your food generously with kalonji. However,intake of black seeds is not recommended during pregnancy. During lactation though,it is an added nutrition for both mother and the growing child. Its immunity-boosting properties serve as a natural,safe way to build resistance against illness. For use as a therapeutic agent,seek advice from a qualified professional.