Alzheimer's Disease and Sin in Deteriorating Christians
The question of sin in Christians experiencing cognitive decline, such as Alzheimer's disease, touches on fundamental theological understandings of human nature, sin, and God's grace. Christian theology generally distinguishes between the state of sin, which affects all humanity due to the Fall, and acts of sin, which are conscious transgressions of God's law [5, 7].
The Nature of Sin and Human Responsibility
From a Reformed perspective, sin is understood as a pervasive condition affecting all humanity, stemming from Adam's transgression [5]. Charles Hodge explains that sin encompasses both guilt and pollution, relating to God's justice and holiness, respectively [7]. This inherent sinfulness, often termed "concupiscence" or "indwelling sin," remains even in believers, though its dominion is broken by the Spirit [2, 4]. John Calvin notes that while God regenerates His people and destroys the dominion of sin, sin itself does not cease to dwell in them [4]. Believers, therefore, continue to struggle with desires that allure and stimulate them to sin, even if they oppose these urges [2]. This internal struggle is a constant reality for the Christian, leading figures like David and Isaiah to express deep awareness of their own depravity [3].
The concept of "original sin" means that all individuals are born into a state of sinfulness, inheriting a corrupted nature from Adam [5]. This inherited corruption means that humans are naturally inclined towards sin, and even their best efforts are tainted by it [3]. However, the question of moral responsibility for specific sinful acts typically presumes a degree of conscious awareness and intentionality.
Cognitive Decline and Moral Agency
When a Christian experiences severe cognitive decline, such as that caused by Alzheimer's disease, their capacity for conscious thought, memory, and intentional action is progressively diminished. This raises questions about the nature of sin when an individual's moral agency is compromised.
The Bible often links sin to conscious transgression and knowledge of right and wrong. For instance, 1 John 3:8 states that "He that committeth sin is of the devil," implying a deliberate act [8]. Augustine, as cited by Jamieson, Fausset & Brown, clarifies that one becomes a child of the devil by imitating him, not by birth, suggesting a volitional element in committing sin [8].
In cases of advanced cognitive decline, individuals may exhibit behaviors that would ordinarily be considered sinful (e.g., anger, aggression, inappropriate language) but without the conscious intent or understanding that typically accompanies such actions in a healthy individual. The theological question then becomes whether these behaviors, stemming from a diseased mind, constitute sin in the same way that a deliberate, conscious transgression would.
While the state of indwelling sin (concupiscence) may persist, the acts of sin require a degree of moral agency that is progressively lost in conditions like Alzheimer's. The individual's capacity to understand God's law, to choose to obey or disobey, and to exercise self-control is severely impaired. This does not mean that the person is suddenly "sinless" in the sense of being perfectly holy, as the underlying sinful nature remains [4]. Rather, it suggests that the culpability for specific actions is diminished or absent due to the lack of conscious intent and mental capacity.
God's Grace and Forgiveness
Christian theology emphasizes God's grace and forgiveness for sins. The prayer of faith is understood as a means through which God can bring healing, and if sins have been committed, they can be forgiven [1, 6]. Jamieson, Fausset & Brown, commenting on James 5:15, note that sickness can sometimes be a consequence of specific sins, and in such cases, forgiveness is offered [1]. However, they also clarify that not all sickness is due to special sins [1]. Adam Clarke adds that while prayer for healing is important, God's ultimate concern is the patient's salvation, and sometimes restoration is not granted if it would be "prejudicial to the patient's salvation" [6]. This highlights a divine perspective that transcends human understanding of suffering and illness.
For Christians with Alzheimer's, the ongoing work of the Holy Spirit in their lives is crucial. Even when cognitive functions decline, the Spirit's presence and work are not necessarily extinguished. The Spirit continues to intercede for believers, and God's covenant faithfulness endures regardless of a person's mental state. The "dominion of sin" is destroyed in believers through the Spirit's agency, enabling them to overcome temptation [4]. While the "remains of sin survive," they do so "not to have dominion, but to humble them" [4].
The Christian hope for those experiencing cognitive decline rests not on their ability to perfectly avoid sin or to consciously repent in their final stages, but on the finished work of Christ and God's enduring grace. The imputation of Adam's sin brought death, but union with Christ brings life [5]. This union is established by God's grace and sustained by His power, not solely by the individual's cognitive faculties.
Pastoral and Theological Implications
The theological understanding of sin in the context of Alzheimer's disease has significant pastoral implications. It encourages compassion and understanding rather than judgment towards individuals whose behaviors may be distressing but are not volitional. It shifts the focus from assessing individual culpability for specific actions to recognizing the pervasive impact of the Fall on human nature, including the brain.
Furthermore, it reinforces the truth that salvation is by grace through faith, not by works or by perfect cognitive function. The believer's standing before God is secured by Christ's righteousness, not by their own ability to maintain moral purity or conscious repentance in every moment [5]. The prayers of the community for those suffering from such diseases become even more vital, entrusting them to God's mercy and care [1, 6].
Sources
- James (Presbyterian) “Jamieson, Fausset & Brown on James 5:15: prayer--He does not say the oil shall save: it is but the symbol. save--plainly not as Rome says, "save" the soul. but heal "the sick": as the words, "the Lord shall raise him up," prove. So the same Greek is translated, "made (thee) whole," Mat 9:21-22. and if . . . sins--for not all who are sick are so because of some special sins. Here a case is supposed of one visited with sickness for special sins. have committed--literally, "be in a state of having committed sins," that is, be under the consequences of sins committed. they--rather, "it": h”
- CCEL (Reformed) “John Calvin, Institutes of the Christian Religion, section 58: sending forth desires that allure and stimulate him to sin. They also acknowledge that the saints are still so liable to the disease of concupiscence, that, though opposing it, they cannot avoid being ever and anon prompted and incited to lust, avarice, ambition, or other vices. It is unnecessary to spend much time in investigating the sentiments of ancient writers. Augustine alone may suffice, as he has collected all their opinions with great care and fidelity. 311 311 See August. ad Bonif. Lib. 4 et cont. Julianum, Lib. 1 and 2. ”
- CCEL (Reformed (Old Princeton)) “Charles Hodge, Systematic Theology, Vol. 2, section 50: that he abhorred himself, and repented in dust and ashes. David’s Penitential Psalms are filled not only with the confessions of sin, but also with the avowals of his deep depravity in the sight of God. Isaiah cried out, Woe is me! I am a man of unclean lips, and I dwell among a people of unclean lips. The ancient prophets, even when sanctified from the womb, pronounced their own righteousnesses as filthy rags. What is said of the body politic is everywhere represented as true of the individual man. The whole head is sick, and the whole h”
- CCEL (Reformed) “John Calvin, Institutes of the Christian Religion, section 58: of sin. In regenerating his people God indeed accomplishes this much for them; he destroys the dominion of sin, 312 312 Latin, “Reatus.”—the imputation of sin. by supplying the agency of the Spirit, which enables them to come off victorious from the contest. Sin, however, though it ceases to reign, ceases not to dwell in them. Accordingly, though we say that the old man is crucified, and the law of sin is abolished in the children of God ( Rom. 6:6 ), the remains of sin survive, not to have dominion, but to humble them under a cons”
- CCEL (Reformed (Old Princeton)) “Charles Hodge, Systematic Theology, Vol. 2, section 46: race. With this agrees not only, as we have already seen, the Scriptural account of the fall, but also what the Apostle teaches in 1 Cor. xv. 21, 22 . “For since by man came death, by man came also the resurrection of the dead. For as in Adam all die, even so in Christ shall all be made alive.” Union with Adam is the cause of death; union with Christ is the cause of life. 204 Argument from General Consent. The imputation of Adam’s sin has been the doctrine of the Church universal in all ages. It was the doctrine of the Jews, derived from ”
- James (Methodist/Wesleyan) “Adam Clarke on James 5:15: And the prayer of faith; shall save the sick - That is, God will often make these the means of a sick man's recovery; but there often are cases where faith and prayer are both ineffectual, because God sees it will be prejudicial to the patient's salvation to be restored; and therefore all faith and prayer on such occasions should be exerted on this ground: "If it be most for thy glory, and the eternal good of this man's soul, let him be restored; if otherwise, Lord, pardon, purify him, and take him to thy glory." The Lord shall raise him up - Not the elders, how fait”
- CCEL (Reformed (Old Princeton)) “Charles Hodge, Systematic Theology, Vol. 2, section 44: God is the source and standard of all good. His favour is the life of the soul. Congeniality with Him, conformity to his will and nature, is the idea and perfection of all excellence; and the opposite state, the want of this congeniality and conformity, is the sum and essence of all evil. Sin includes Guilt and Pollution. Sin includes guilt and pollution; the one expresses its relation to the justice, the other to the holiness of God. These two elements of sin are revealed in the conscience of every sinner. He knows himself to be amenable”
- 1 John (Presbyterian) “Jamieson, Fausset & Brown on 1 John 3:8: He that committeth sin is of the devil--in contrast to "He that doeth righteousness," Jo1 3:7. He is a son of the devil (Jo1 3:10; Joh 8:44). John does not, however, say, "born of the devil." as he does "born of God," for "the devil begets none, nor does he create any; but whoever imitates the devil becomes a child of the devil by imitating him, not by proper birth" [AUGUSTINE, Ten Homilies on the First Epistle of John, Homily 4.10]. From the devil there is not generation, but corruption [BENGEL]. sinneth from the beginning--from the time that any beg”