Stories by Karen Weintraub

First gene associated with cannabis abuse likely affects how people respond to the drug

The gene a Chinese scientist attempted to modify in twin girls last year has been associated with premature death

In the past, measles outbreaks have been brought under control with vaccines, but the dynamic may be shifting

New study gets closer to restoring natural communication for those who cannot speak

Researchers are developing a device that could restore olfaction, much as a cochlear implant restores hearing

Study points toward lifelong neuron formation in the human brain’s hippocampus, with implications for memory and disease

Amid a controversy over gene-edited babies, leading researchers want to call a halt and install a global governance process

New studies take the most comprehensive look yet into immune system activity immediately after birth 

And it could also be the kindling sparking Parkinson’s and other neurodegenerative maladies

Biology at the center of last year’s contentious gene-edited twins result may hold other benefits for brain injury

A new study finds African-Americans with dementia have less buildup of certain toxic proteins in their brains than do whites

A protein associated with the degenerative disease was passed to eight patients decades ago in contaminated growth hormones

If repeated, the feat may open the door to expanding infertility treatments

Experts say the risks of a controversial procedure outweigh the benefits for twin newborns

The new service lets consumers contribute to medical research, but still poses privacy concerns

Infectious Diseases affect us like clockwork, although it’s not clear why

Those who’ve had it removed get the neurodegenerative disorder later or not at all, study finds

Brain changes, visible on scans, are also associated with Alzheimer’s precursors

Researchers have traced some cases of acute flaccid myelitis to a known virus, but treatments remain elusive

“Maybe we're on a roll,” a veteran women-in-science advocate says

Two men are recognized for basic research that unleashed the immune system against cancer, becoming a new pillar of therapy

The surprising insight could provide foundation for future cure

Tests offered by companies like 23andMe may be overly broad, and could take too long to return children to their parents

Cancer treatment using the notorious drug may hold promise for other diseases like Alzheimer’s