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Sugar-rich diets delay larval development in flies, study finds
🇵🇾 Paraguay /Health & Science

Sugar-rich diets delay larval development in flies, study finds

From ABC Color · () Spanish

Translated from Spanish, summarized and contextualized by DistantNews.

At a glance

News Sources not specified Outcome reported
  • A study on flies found that diets high in sugar delay larval development.
  • Researchers discovered that the immune system regulates the organism's physiology based on nutritional conditions.
  • The findings suggest potential implications for understanding human growth regulation and the impact of sugar-rich diets.

A study on fruit flies has revealed that high-sugar diets can significantly delay larval development. The research, published on June 23, 2026, indicates that the flies' immune systems play a crucial role in regulating their physiology in response to nutritional availability.

Researchers observed that under normal conditions, fly larvae complete their development in about five days. However, when fed a sugar-rich diet, this process extends to six or seven days, allowing the larvae more time to reach adulthood in better condition. This suggests a mechanism where the organism prioritizes reaching maturity over rapid development when resources are abundant but potentially unhealthy.

We knew that macrophages respond to metabolic stress, but not that they could regulate steroid hormone production. Our results show that these cells connect external nutritional signals with the physiology of the entire organism.

— Sergio Juárez-Carreñoexplaining the study's findings on the role of macrophages in connecting nutritional signals to physiology.

"We knew that macrophages respond to metabolic stress, but not that they could regulate steroid hormone production," explained Sergio Juárez-Carreño, the study's lead author. "Our results show that these cells connect external nutritional signals with the physiology of the entire organism." The study highlights that the immune system acts not just as a defense against infections but also as an internal surveillance system, adjusting developmental pace when nutritional conditions are suboptimal.

While the study was conducted on flies, it raises questions about potential parallels in humans. The findings could offer new insights into how sugar-rich diets, obesity, and insulin resistance might influence hormonal regulation during human growth stages. The research suggests a complex interplay between nutrition, the immune system, and developmental timing.

The immune system not only responds to infections or damage but also acts as an internal surveillance system, capable of adjusting the pace of development when nutritional conditions are not optimal.

— Marco Milándescribing the broader function of the immune system in regulating development based on environmental cues.
DistantNews Editorial

Originally published by ABC Color in Spanish. Translated, summarized, and contextualized by our editorial team with added local perspective. Read our editorial standards.

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