Ancient insect diets could hold the key to sustainable food systems, Durham University study finds

Insects have been a regular part of human diets for thousands of years, according to new research from Durham University, challenging the notion that eating bugs is a modern or fringe practice. The study, which examined archaeological and historical evidence, shows that insect consumption was widespread across many ancient cultures, from prehistoric hunter-gatherers to early agricultural societies. This long history suggests that entomophagy—the practice of eating insects—is not only natural but also deeply rooted in human evolution. The findings come at a time when global food systems face mounting pressure from climate change, population growth, and resource depletion. Insects are highly nutritious, rich in protein, vitamins, and minerals, and require far less land, water, and feed than traditional livestock. They also produce significantly fewer greenhouse gas emissions. By looking to the past, researchers argue, modern societies can rediscover a sustainable and efficient food source that has been overlooked in many Western diets. Durham University’s research underscores the potential for insects to address food security challenges while reducing environmental impact. As the world seeks alternatives to resource-intensive meat production, the ancient practice of insect-eating offers a proven, scalable solution. With growing interest in sustainable diets, insects may soon move from novelty to mainstream. The past could be the key to feeding the future.