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A mouse embryo in which the head, spine, and limb buds are visible.
Illuminating Craniofacial Development
Paul Trainor delves into the genetic and environmental factors that shape the head and face.
Illuminating Craniofacial Development
Illuminating Craniofacial Development

Paul Trainor delves into the genetic and environmental factors that shape the head and face.

Paul Trainor delves into the genetic and environmental factors that shape the head and face.

oxidative stress

Aging and Cancer
Aging and Cancer
Rebecca Roberts, PhD | Nov 14, 2023 | 6 min read
The relationship between aging and cancer is complex, with several shared underlying mechanisms. 
Mouse heart cells that have taken up adipocyte-derived extracellular vesicles (stained red)
Fat Cells Send Mitochondrial Distress Signals to the Heart
Ruth Williams | Aug 20, 2021 | 3 min read
Vesicles containing fragments of the organelles released from stressed adipocytes protect the heart against oxygen deprivation, a study in mice shows.
Stress-Induced Chromosome Changes Protect Flies’ Aging Brains
Lisa Winter | Dec 1, 2020 | 2 min read
Brain cells in older Drosophila tend to have more than two complete sets of chromosomes, and that polyploidy most likely has a protective function, a study shows.
Study Bucks Belief that Oxidative Stress Is Bad for Pregnancy
Jef Akst | May 16, 2017 | 2 min read
Mouse experiments indicate that, contrary to observations in pregnant women, reactive oxygen species contribute to normal placental development.
Sweet Trick, Hawkmoths
Bob Grant | Apr 17, 2017 | 1 min read
The fast-flying insects convert sugars from nectar into antioxidants, which can help heal the oxidative damage suffered by their hard-working muscles.
New Route to Hearing Loss Mapped
Kerry Grens | Nov 5, 2015 | 3 min read
Deficiency in a protein called pejvakin makes inner ear cells more vulnerable to sound, unable to brace themselves against oxidative stress stimulated by noise. 
The 6,000-Calorie Diet
Jef Akst | Nov 1, 2015 | 4 min read
Overeating and inactivity lead to insulin resistance in just days—and oxidative stress is to blame.
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