Physical Sickness as a Result of Spiritual Warfare
The Bible presents various perspectives on the relationship between physical sickness and spiritual warfare, often linking illness to sin, divine judgment, or demonic activity. While some passages directly connect sickness to spiritual causes, others acknowledge natural causes or emphasize God's sovereignty over all afflictions.
One prominent biblical theme is that sickness can be a consequence of sin or divine punishment. Deuteronomy 28:21 and John 5:14 suggest that diseases can be sent as punishment [1]. Similarly, Leviticus 26:14-16 and 2 Chronicles 21:12-15 describe sickness as a consequence of disobedience [2]. The prophet Ezekiel lists sickness as one of God's "four sore judgments" upon a guilty land [2]. Matthew Henry, a Nonconformist commentator, notes that "bodily sickness is another of the calamities of this life which gives us an opportunity of experiencing the goodness of God in recovering us," and that "it is the sin of the soul that is the cause of sickness" [8]. The Tyndale House commentary on Isaiah 1:5 states that God sent famine, war, disease, and death as punishment, though often with the aim of changing behavior rather than simply punishing [5]. This perspective is echoed in Proverbs 1:31, Jeremiah 2:19, and Hosea 8:11, which suggest that sin itself can be a form of punishment [10].
Beyond direct punishment, the Bible also indicates that sickness can be inflicted through Satan. The book of Job provides a clear example, where Satan is permitted to afflict Job with painful boils [1, 2]. Similarly, 1 Samuel 16:14-16 mentions an evil spirit from the Lord troubling Saul, which could be interpreted as a form of spiritual affliction leading to distress [1]. Luke 9:39 and 13:16 also describe instances where the devil is permitted to cause physical ailments [2].
However, the biblical narrative also acknowledges that sickness is not always a direct result of individual sin or demonic attack. The Tyndale House commentary on Proverbs 18:14 suggests that a "spiritual or emotional problem (a crushed spirit) can be more trying than a physical one (sick body)," implying a distinction between the two [4]. The Psalms often express the interconnectedness of physical and spiritual distress; Psalm 38 describes physical disease alongside mental anguish, with the loathsomeness of the body reflecting the suffering of the soul [7]. Psalm 41:3 notes that illness might be physical or spiritual [6].
The New Testament connects Jesus's healing ministry to his redemptive work. Matthew 8:17, referencing Isaiah 53:4, states that Jesus "took our sicknesses and removed our diseases." The Tyndale House commentary on this verse explains that "when he took the sins of humanity, the Messiah also took our sickness. Sickness exists because sin is in the world, and one of the effects of Jesus’ taking our sin on the cross is physical healing" [9]. This suggests that while sickness is a consequence of sin's presence in the world, Jesus's atonement provides a basis for physical restoration.
It is also important to note that the Bible does not condemn seeking medical help. While Asa is criticized for seeking physicians rather than the Lord (2 Chronicles 16:12), Easton's Bible Dictionary clarifies that Asa's sin was not in seeking medical advice itself, but in relying on "heathen arts of magic" and "forgetting Jehovah" [3]. This indicates that medical intervention, when not divorced from faith in God, is not inherently contrary to biblical principles.
Sources
- Torrey's Topical Textbook “Torrey's Topical Textbook: Diseases — Often sent as punishment -- De 28:21; Joh 5:14. Often brought from other countries -- De 7:15. Often through Satan -- 1Sa 16:14-16; Job 2:7. Regarded as visitations -- Job 2:7-10; Ps 38:2,7. Intemperance a cause of -- Ho 7:5. Sins of youth a cause of -- Job 20:11. Over-excitement a cause of -- Da 8:27. Were many and divers -- Mt 4:24. Mentioned in scripture Ague. -- Le 26:16. Abscess. -- 2Ki 20:7. Atrophy. -- Job 16:8; 19:20. Blindness. -- Job 29:15; Mt 9:27. Boils and blains. -- Ex 9:10. Consumption. -- Le 26:16; De 28:22. Demoniacal possession. -- Mt 15:”
- Torrey's Topical Textbook “Torrey's Topical Textbook: Sickness — Sent by God -- De 28:59-61; 32:39; 2Sa 12:15; Ac 12:23. The devil sometimes permitted to inflict -- Job 2:6,7; Lu 9:39; 13:16. Often brought on by intemperance -- Ho 7:5. Often sent as a punishment of sin -- Le 26:14-16; 2Ch 21:12-15; 1Co 11:30. One of God's four sore judgments on a guilty land -- Eze 14:19-21. God Promises to heal. -- Ex 23:25; 2Ki 20:5. Heals. -- De 32:39; Ps 103:3; Isa 38:5,9. Exhibits his mercy in healing. -- Php 2:27. Exhibits his power in healing. -- Lu 5:17. Exhibits his love in healing. -- Isa 38:17. Often manifests saving grace to”
- Easton's Bible Dictionary “Easton's Bible Dictionary: Physician — Asa, afflicted with some bodily malady, "sought not to the Lord but to the physicians" (2 Chr. 16:12). The "physicians" were those who "practised heathen arts of magic, disavowing recognized methods of cure, and dissociating the healing art from dependence on the God of Israel. The sin of Asa was not, therefore, in seeking medical advice, as we understand the phrase, but in forgetting Jehovah."”
- Proverbs (Protestant academic) “Tyndale House on Proverbs 18:14: 18:14 A spiritual or emotional problem (a crushed spirit) can be more trying than a physical one (sick body).”
- Isaiah (Protestant academic) “Tyndale House on Isaiah 1:5: 1:5 God sent famine, war, disease, and death as punishment. In most cases, however, God wanted to change stubborn behavior rather than simply to punish. • As a result of their persistent rebellion, the people’s head is injured and their heart is sick. The nation was wounded physically from Assyrian aggression, while spiritually they were defiled and overtaken by sin (64:6).”
- Psalms (Protestant academic) “Tyndale House on Psalms 41:3: 41:3 when they are sick: This illness might be physical or spiritual (see 6:2; Ps 38).”
- Psalms (Presbyterian) “Jamieson, Fausset & Brown on Psalms 38:5: The loathsomeness, corruption, and wasting torture of severe physical disease set forth his mental anguish [Psa 38:6]. It is possible some bodily disease was connected. The loins are the seat of strength. His exhaustion left him only the power to groan [Psa 38:9].”
- Psalms (Nonconformist/Puritan) “Matthew Henry on Psalms 107:17: Bodily sickness is another of the calamities of this life which gives us an opportunity of experiencing the goodness of God in recovering us, and of that the psalmist speaks in these verses, where we may observe, I. That we, by our sins, bring sickness upon ourselves and then it is our duty to pray, Psa 107:17-19. 1. It is the sin of the soul that is the cause of sickness; we bring it upon ourselves both meritoriously and efficiently: Fools, because of their transgression, are thus afflicted; they are thus corrected for the sins they have committed and thus cure”
- Matthew (Protestant academic) “Tyndale House on Matthew 8:17: 8:17 He took our sicknesses and removed our diseases: When he took the sins of humanity, the Messiah also took our sickness. Sickness exists because sin is in the world, and one of the effects of Jesus’ taking our sin on the cross is physical healing (1 Pet 2:24). Jesus’ healings and exorcisms demonstrated, in fulfillment of Scripture, that he is the Messiah (see Matt 11:2-6; 12:28; 1 Cor 11:29-30; Jas 5:13-16).”
- Isaiah (Presbyterian) “Jamieson, Fausset & Brown on Isaiah 1:5: Why--rather, as Vulgate, "On what part." Image from a body covered all over with marks of blows (Psa 38:3). There is no part in which you have not been smitten. head . . . sick, &c.--not referring, as it is commonly quoted, to their sins, but to the universality of their punishment. However, sin, the moral disease of the head or intellect, and the heart, is doubtless made its own punishment (Pro 1:31; Jer 2:19; Hos 8:11). "Sick," literally, "is in a state of sickness" [GESENIUS]; "has passed into sickness" [MAURER].”