Like shoelaces’ tips, telomeres do damage control, preserving DNA and slowing aging. What happens if we extend their expiration date?
There’s remarkable science behind mail-order gene tests. But should buyers beware?
Researchers have found the first strong genetic cause to be specifically associated with autism.
Injected RNA, which can turn off genes and halt production of harmful proteins, could profoundly affect the way we treat disease.
Medicine’s debt to Framingham, Mass., is almost incalculable. And after 60 years, the famous study may be just getting started.
Far from replacing animal testing, computer simulation is leading to smarter experiments—and the need for more animals.
New research sheds light on the mystery of prions: misfolded proteins that promote a lethal chain of events.
It appears that natural selection isn’t the only way traits are passed along. Environmental influences, too, may get embedded in our DNA.
Kuru, scrapie, a fatal form of insomnia—all caused by renegade proteins. Cure one and other, more familiar diseases may follow.
Scientists are untangling puberty’s central mystery: What combination of genes and environmental cues flip the switch?
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