We have the right and the responsibility to sacrifice our life and health, when matters ordained by God require that we do so: for example, matters pertaining to our earthly calling, the defense of our country, the protection of our neighbor from harm and danger.
1 John. 3:16: Hereby perceive we the love of God, because He laid down His life for us; and we ought to lay down our lives for the brethren.
Neh. 4:14: Fight for your brethren, your sons, and your daughters, your wives, and your houses.
Assignment: Read Gen. 14:14-16: Abraham, the father of faith, went to war to save Lot.
