development
Strict diet suspends development, doubles lifespan of worms
The centuries-long search for the fountain of youth has yielded only a few promising leads, one of which entails an extreme, emaciating diet. A new study of the tiny nematode worm C. elegans begins to explain this marvel of calorie restriction and hints at an easier way to achieve longevity. Researchers at Duke University found […]
Zinc deficiency before conception disrupts fetal development
Female mice deprived of dietary zinc for a relatively short time before conception experienced fertility and pregnancy problems and had smaller, less-developed fetuses than mice that ingested zinc during the same times, according to researchers in Penn State’s College of Agricultural Sciences. The findings have implications for human reproduction, scientists suggest. Going without zinc prior […]