In the human body consists of many organs, each of which has its own function that is needed for mankind to live. Every organ of the body moves and works automatically tirelessly even many organs work outside of human consciousness as when humans sleep. Subhanallah.
A doctor from the United States which has now been converted to Islam was convinced of the truth of the Qur'an that he may make the diagnosis of a disease and its treatment process was much based on the Koran. Among the methods of treatment that he did was to fast, drink honey and black seeds.
The reason he converted to Islam is actually quite simple, but behind the simplicity of it, God has lowered guidance to him through a study he did. When that conduct studies on human nerve, there are some veins in the brain that are not laden blood entered. In fact, every human organ and nerve need at blood to function properly.
He found the answer, that the blood will not enter the human brain but when prostrating, when the man of prayer (Sholat). Nerve blood flow requires only a moment, about the time it takes to pray. Subhanallah.It can be argued that people who do not pray will get blood flow to the nerve is less.
How noble and how great Allah is, god of the universe. He has created man and obliging people (Muslims) to pray and worship God the almighty one through prayer (Sholat).