最終更新: 2026-09-14
「過酷な断食」は罪ですか？
簡単な答え
いいえ、キリスト教では「過酷な断食」は見解が分かれるとされています。
IsItASin · 最終更新: 2026-09-14
いいえ、キリスト教では「過酷な断食」は見解が分かれるとされています。 Matthew 6:16 — 'And when you fast, do not look gloomy like the hypocrites.'
キリスト教が「過酷な断食」について教えること
Christian Denominations: How They Differ on Extreme Fasting
Catholic Church
Fasting per ecclesial norms is virtuous; fasting that injures health is a failure of the duty of care and can be gravely wrongful when engaged knowingly and needlessly.
Catechism of the Catholic Church
Protestant Churches
Protestants recover fasting as voluntary discipline (Matthew 6:16 assumed it) while rejecting bodily harm; motives of pride and weight-loss disguised as devotion are named.
Holy Bible (Protestant canon)
Eastern Orthodox
Orthodox typikon fasting is extensive but measured in kind, not starvation; elders consistently correct extreme fasting as demonic temptation or vainglory.
Orthodox Church Tradition
ESV Study Bible
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キリスト教が「過酷な断食」について教えること
詳細な回答（英語） — 以下の詳細な分析は英語で提供されています。 英語の完全版を読む →
Christianity invented the tension this question lives in: its greatest heroes fasted (Jesus, forty days; the desert fathers, legendarily), and its canon law simultaneously polices excess. The resolution the tradition reached: fasting is obedience, not achievement — Jesus said 'when you fast' (Matthew 6:16) assuming the discipline, but the same Sermon warns against display, and the Fathers' sayings are full of abbots telling young monks to eat. The rejection of extremity is doctrinal, not soft: the body is the Spirit's temple (1 Corinthians 6:19), harming it is not devotion but a subtle pride — the ascetical tradition's own diagnosis, naming vainglory as the enemy inside fasting. Isaiah 58 reframes the whole practice toward love: the fast God chooses 'looses the bonds of wickedness' and shares bread with the hungry — a fast of justice, not glycogen. The modern cases: extended water fasts promoted online (medical risk, no rule), and disordered eating in religious costume — which the tradition now names as illness needing treatment, since culpability collapses where compulsion rules. The pastoral standard: follow your church's rule, consult a doctor for anything beyond it, and let fasting remain freedom's servant.
聖書参考文献
- Matthew 6:16 — 'And when you fast, do not look gloomy like the hypocrites.'
- 1 Corinthians 6:19 — 'Your body is a temple of the Holy Spirit.'
- Catechism of the Catholic Church 2288 — We must take reasonable care of the life and physical health entrusted to us.
- Isaiah 58:6 — 'Is not this the fast that I choose: to loose the bonds of wickedness... to share your bread with the hungry?'
あなたがすべきこと
以下の詳細な分析は英語で提供されています。
- Follow your tradition's forms, not internet extremity — the forms are bounded for a reason.
- Exempt yourself when health requires — in Islam and Judaism, exemption is a command, not a concession.
- Christian: Fast as freedom's servant (Matthew 6:16), not as achievement — Isaiah 58 keeps the focus on love.
- All: If fasting has become compulsion or weight-control in disguise, seek help — that is illness, and treatment is the religious act.
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Apply Scripture to Your Life →よくある質問
以下の詳細な分析は英語で提供されています。
Is prolonged water fasting a sin?
Extended fasts beyond medical supervision are condemned across the traditions: bounded fasts are prescribed, excessive fasting is called sin, and reasonable care of the body is required.
Extended fasts beyond medical supervision are condemned across the traditions: bounded fasts are prescribed, excessive fasting is called sin, and reasonable care of the body is required. Brief supervised fasts for medical indications are a different matter — treatment, not devotion.
Why did saints fast so extremely then?
The traditions read those accounts critically: hagiography emphasizes the extraordinary, and the same traditions' authorities — abbots, jurists, ulema — consistently corrected extremity in practice; the heroes are admired; the extremity is not the rule for everyone.
The traditions read those accounts critically: hagiography emphasizes the extraordinary, and the same traditions' authorities — abbots, jurists, ulema — consistently corrected extremity in practice; the heroes are admired; the extremity is not the rule for everyone. Christianity's own canon law moderated desert extremes.
I have an eating disorder and religious fasting makes it worse — what do I do?
All the traditions here exempt you — actually command you to abstain from fasting and accept treatment.
All the traditions here exempt you — actually command you to abstain from fasting and accept treatment. Choosing recovery is the religious act, not the fast.
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