Genetics of mental health yield surprising connections but no cures

Genetics of mental health yield surprising connections but no cures

Scientists are slowly uncovering the genes and mechanisms that cause mental health disorders, but we are a long way from ...
How do you know if your mutation will lead to a genetic disease?

How do you know if your mutation will lead to a genetic disease?

Sonia Vallabh, a scientist, carries a rare mutation that normally causes a neurodegenerative disease. How likely is it she will ...
Three-person IVF as an infertility solution has a long way to go

Three-person IVF as an infertility solution has a long way to go

The procedure is typically targeted at parents who want to avoid passing a potentially fatal mitochondrial disease to their child ...
Evolution and war: The ‘deep roots’ theory of human violence

Evolution and war: The ‘deep roots’ theory of human violence

War has long been viewed as a way for societies to acquire wealth and power, even though it often doesn't ...
Mummy DNA: Ancient Egyptians more Middle Eastern than today's African-mixed population

Mummy DNA: Ancient Egyptians more Middle Eastern than today’s African-mixed population

Scientists have extracted and sequenced DNA from 151 Egyptian mummies with more certainty than ever. They found that ancient Egyptians ...
Settling of the Americas: Searching for pieces of the puzzle

Settling of the Americas: Searching for pieces of the puzzle

DNA analysis of two ancient infants adds to evidence that humans stayed on the Bering strait for thousands of years ...
Pigs as human organ incubators? Pork producers gear up for potential demand

Pigs as human organ incubators? Pork producers gear up for potential demand

The pork industry is watching the potentially lucrative market that could be driven by a surge in demand for pigs ...
Could blood from babies’ umbilical cords rejuvenate our grandparents' brains?

Could blood from babies’ umbilical cords rejuvenate our grandparents’ brains?

Protein in umbilical cord blood rejuvenates cells in the brain’s memory center, improving learning and memory in aging mice. Could ...
Game of chance: Are most cancers linked to nothing more than bad luck?

Game of chance: Are most cancers linked to nothing more than bad luck?

Two-thirds of the gene mutations that cause cancer are due to random chance, according to a new study. But environmental ...
Space spores: NASA's struggle with radiation-resistant microbe could help us understand infections

Space spores: NASA’s struggle with radiation-resistant microbe could help us understand infections

Bacteria have infiltrated sterile rooms NASA used to build space equipment. Studying what happens to them in outer space could ...
Early warning child allergy detection system? Competing theories of how to inoculate children against developing reactions

Early warning child allergy detection system? Competing theories of how to inoculate children against developing reactions

Allergic reactions to foods can strike young children without warning. Now, a controversial blood test may be able to detect ...
How 1100 pound woman's rare genetic disorder helps unravel mystery of obesity

How 1100 pound woman’s rare genetic disorder helps unravel mystery of obesity

The root causes of the obesity epidemic remain elusive. Studying rare one-gene cases may provide clues to help scientists understand ...
Boy or girl: Should prenatal testing be censored for fear it may become a sex-selection tool?

Boy or girl: Should prenatal testing be censored for fear it may become a sex-selection tool?

Some prominent ethicists push for limiting the release of prenatal testing for fear the information could be used by parents ...
Worried about low T? Treatments unlikely to deliver what they promise -- and could hurt you

Worried about low T? Treatments unlikely to deliver what they promise — and could hurt you

Testosterone therapy does little to counter the effects of aging. But it does have the potential to be harmful for ...
DNA test limits: Current direct-to-consumer tests provide only a glimpse into our ancestry

DNA test limits: Current direct-to-consumer tests provide only a glimpse into our ancestry

In a recent story that made headlines, a woman’s DNA test showed she was a descendant of a lost tribe ...
Weak links? Criminal investigations using partial DNA matches raise concerns

Weak links? Criminal investigations using partial DNA matches raise concerns

Using DNA collected from a crime scene, police can identify relatives of unidentified suspects through partial, or familial, matches. Legal ...
2 young leukemia patients cured with T-cell immunotherapy using genetically engineered donor cells

2 young leukemia patients cured with T-cell immunotherapy using genetically engineered donor cells

Gene-edited immune cells cure two British babies with childhood leukemia. But instead of patient-specific cells, doctors used cheaper universal cells ...
Can you be both fat and fit? Your genes may have a say in the matter

Can you be both fat and fit? Your genes may have a say in the matter

Scientists are in hot debate over whether it's possible to be obese without creating health risks. Two new studies take ...
Fighting cancer by shifting the body's immune system into overdrive

Fighting cancer by shifting the body’s immune system into overdrive

Gene-targeted treatments and immunotherapy offer great promise to cure cancer, but they work in less than half of patients and ...
Will pig-human chimeras solve our organ transplant shortage?

Will pig-human chimeras solve our organ transplant shortage?

Experiments show pig-human chimeras might be able to farm human organs for transplantation and disease research. But would it be ...
Genetics for public health: A lost cause?

Genetics for public health: A lost cause?

Its power for discovering rare diseases is well proven. But genetics’ impact on public and preventative health has a long ...
Transcranial magnetic stimulation: Can strong magnetics revive your sex drive?

Transcranial magnetic stimulation: Can strong magnetics revive your sex drive?

If TMS, which is already FDA approved to treat depression, can reverse sexual dysfunction, it would be a boon particularly ...
Vampire therapy: Can blood from the young fight aging?

Vampire therapy: Can blood from the young fight aging?

Billionaire venture capitalist Peter Thiel has expressed his reluctance to age quite vocally. He has also put his money where ...
Big chill: Extreme exposure from cryotherapy probably doesn't enhance athletic performance

Big chill: Extreme exposure from cryotherapy probably doesn’t enhance athletic performance

Cryotherapy is quite the rage among pro-athletes as a means to improve performance and stave off injury. Lebron James reportedly ...
Cancer and genetics: How your whole body smokes a cigarette

Cancer and genetics: How your whole body smokes a cigarette

Cigarettes smoking causes lung, throat and larynx cancers–which makes sense because those tissues come directly into contact with smoke and ...
How did sex start?

How did sex start?

In many ways asexual reproduction is a better evolutionary strategy: only one parent is needed, and all of their genes ...
One family's story of misdiagnosis reveals harsh reality: DNA tests aren't perfect

One family’s story of misdiagnosis reveals harsh reality: DNA tests aren’t perfect

Personal genetic tests and precision medicine are becoming increasingly popular tools but caution is appropriate. The technology is still evolving ...
Questions about wisdom of early mammograms raise stakes for genetic profiling

Questions about wisdom of early mammograms raise stakes for genetic profiling

Conflicting screening recommendations are sure to confuse women — which raises the importance of factoring in genetic factors in risk ...