"Black Seeds cures all diseases except death." Black seed oil benefits everyone, everyday, every time and in every season especially the Harmattan season in Africa. Health Benefits of taking black seed oil:. 1. Warming Effects: Black seed oil warms the body! Black seed oil is naturally a warming oil. So drinking it warms the throat, the stomach and the entire body which is very necessary in this cold season. So don't drink alcohol or smoke to keep warm. Drink black seed oil. 2. Prevents Coughing & Asthma Drinking black seed oil removes the sand and dust particles that accumulates in the throat and lungs. And so it clears phlegm, prevents coughs and the asthma attacks which is particularly prevalent in this season. 3. Increases Blood Circulation in the Body The cold temperature in harmattan prevents blood from circulating properly in the body. But drinking black seed oil or black seed tea will circulate the blood properly to the fingers, toes and the rest of the body ...