Why your leftovers might be creating the next generation of superbugs
In short: This video breaks down the biological mechanisms behind antibiotic resistance, explaining how bacteria evolve to survive our strongest medicines and what that means for the future of human health.
Antibiotic resistance occurs through a process of natural selection. When bacteria are exposed to antibiotics, random mutations in their DNA may provide some individuals with a survival advantage. These resistant bacteria then survive, reproduce, and spread, eventually forming strains that are difficult to treat.
The rise of 'superbugs'—bacteria resistant to multiple types of drugs—is driven by the overuse and misuse of antibiotics in human medicine and agriculture. This includes prescribing drugs for non-bacterial infections. To combat this, experts emphasize completing full prescribed courses and highlight the significant difficulty in developing new effective treatments.
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- Summary by Intellect · source: GCSE Biology - Antibiotic Resistance (2027/28 exams)
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