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Todos os artigos de Genetic testing

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Epigenetic clocks are a fascinating new technology, but some potential applications are controversial. (Pixabay/Stefan Keller)

New DNA test that reveals a child’s true age has promise, but ethical pitfalls

Pediatric epigenetic clocks have the potential to accurately assess biological age. However, possible applications in law enforcement and immigration raise ethical issues.
No, a DNA swab can’t tell you if you’re gay, or likely to be obese, or depressed. And it can be damaging to believe so. Shutterstock

‘Gay gene’ testing apps aren’t just misleading – they’re dangerous

Genetic apps claim to reveal fundamental insights about your health, well-being, and even intellect. But it’s not just spurious science - believing these traits are genetic can have harmful consequences.
DNA database giant Ancestry lets members access international records including the convict and free settler lists, passenger lists, Australian and New Zealand electoral rolls and military records. Patrick Alexander/Flickr

If you’ve given your DNA to a DNA database, US police may now have access to it

A US judge has allowed police access to the major DNA database without users’ consent (including Australian users). It’s a timely reminder that we urgently need genetic privacy legislation.
More than 200 gene variants have been linked to outstanding sporting performance and this number could increase as we continue to research the link between genetics and athlete performance. Lukas Coch/AAP

Will the genetic screening of athletes change sport as we know it?

Genetic testing could help us build targeted and effective training routines for athletes, but the emerging science could also introduce opportunity for discrimination in the sporting world.
Polygenic risk scores currently account for only a small proportion of your total genetic risk. Shutterstock

Genetic risk tests are now widely available, but they aren’t always useful – and could even be harmful

Most common chronic diseases are the outcome of complex interactions between genetic, environmental and social risk factors, so a genetic risk score, on its own, isn’t much help.
Every child born in the U.S. has a blood sample taken to screen for genetic diseases. Helen Sushitskaya/Shutterstock.com

Sequencing the genome of newborns in the US: Are we ready?

What happens when babies are born critically ill and the doctors have no idea what is wrong? Some argue that a controversial tool called whole genome sequencing may help find the cause.
Home DNA testing has made it easy and affordable for millions of people to learn about their ancestry. Now, police are using this genetic information to identify suspects in unsolved crimes. Shutterstock

Privacy concerns don’t stop people from putting their DNA on the internet to help solve crimes

Despite privacy concerns over police use of DNA uploaded to ancestry websites, many people are just excited that their genetic material could get a killer off the streets.
Genealogy is the second most popular hobby in the United States. Steve Allen/Shutterstock.com

Genes and genealogy and making the most of famous relations

Before you attribute a trait to a famous ancestor like George Washington or Marie Antoinette, you might want to see how much DNA you actually share with these people. It’s not what you thought.
Does a good marriage depend on having the right genes? Tiffany Bryant/Shutterstock.com

How your genes could affect the quality of your marriage

Will your marriage be better if you and your partner are genetically compatible? Is there any evidence that certain genes make someone a better or worse partner? And if so, which genes should we test?

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