4meAndyou · F
A person can theoretically survive indefinitely on canned foods, provided the diet is varied, nutritionally complete, and contains enough calories, proteins, fats, and essential micronutrients.
Key Survival Factors
• Nutritional Variety: Eating only one type of canned food (like only corn or only tuna) will lead to severe malnutrition or vitamin deficiencies (such as scurvy or beriberi) within a few months. A proper mix of canned proteins (meat, fish, beans), vegetables, and fruits is required for long-term health.
• Shelf Life of Cans: Commercially canned goods remain microbiologically safe to eat for decades as long as the seal is unbroken and the can has no deep rust, dents near the seams, or swelling. You can find storage guidelines via the USDA Food Safety and Inspection Service.
• Vitamin Degradation: The high heat used during the canning process destroys some water-soluble vitamins (like vitamin C and B-group vitamins) over time. While you can survive this way, prolonged reliance on canned food without fresh or supplemented nutrients can lead to fatigue, reduced immunity, or slow degradation of overall health.
• BPA and Can Liners: Long-term exposure to the chemical linings inside traditional metal cans (such as BPA or alternative resins) may pose cumulative health risks over many years of heavy consumption.
Key Survival Factors
• Nutritional Variety: Eating only one type of canned food (like only corn or only tuna) will lead to severe malnutrition or vitamin deficiencies (such as scurvy or beriberi) within a few months. A proper mix of canned proteins (meat, fish, beans), vegetables, and fruits is required for long-term health.
• Shelf Life of Cans: Commercially canned goods remain microbiologically safe to eat for decades as long as the seal is unbroken and the can has no deep rust, dents near the seams, or swelling. You can find storage guidelines via the USDA Food Safety and Inspection Service.
• Vitamin Degradation: The high heat used during the canning process destroys some water-soluble vitamins (like vitamin C and B-group vitamins) over time. While you can survive this way, prolonged reliance on canned food without fresh or supplemented nutrients can lead to fatigue, reduced immunity, or slow degradation of overall health.
• BPA and Can Liners: Long-term exposure to the chemical linings inside traditional metal cans (such as BPA or alternative resins) may pose cumulative health risks over many years of heavy consumption.
GoFish ·
idk 😳
SirLirkALot · 46-50, M
115