Articles on Epigenetics

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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.
The male bluehead wrasse defends his group of yellow females, one of whom has to step-up and take charge if he leaves. Kevin Bryant

What we learn from a fish that can change sex in just 10 days

When a male bluehead wrasse is removed from the group he dominates, the largest female changes sex, rapidly transforming ovaries into sperm-producing testes. Molecular research shows how.
Reversing lactose intolerance might make it possible for adults to enjoy a milkshake again. YAKOBCHUK VIACHESLAV / Shutterstock.com

Can changing the microbiome reverse lactose intolerance?

You may think that your milk-drinking, ice cream-licking days are behind you as you battle the discomfort of lactose intolerance. But there maybe be a way to reverse the situation.
Photo by Kat J on Unsplash

Extreme stress in childhood is toxic to your DNA

Separating children from their parents is not just a psychological stress, it's a DNA stress. Scientific research shows that early life stress may have irreversible effects on how DNA works in the cells of the body.
Naloxone is often used to revive people overdosing from opioids. REUTERS/Brian Snyder

Why genetics makes some people more vulnerable to opioid addiction – and protects others

Scientists are just starting to understand how your parents' genes and experiences might shape your own susceptibility to dangerous drugs. Could that help to stop addictions before they start?
Professor Fabian V. Filipp with his team working on precision targeting of malignant melanoma. Systems Biology and Cancer Metabolism Laboratory

Sure, cancer mutates, but it has other ways to resist treatment

Cancer is a disease of our genes, but resistance to therapy might go beyond cancer mutations. The DNA stays the same, but cancer cells outsmart the drugs by switching their gene activity.
Rey (Daisy Ridley), in Star Wars: The Last Jedi, ponders the light and dark sides of the Force. (Handout)

The Force of biology is strong in Star Wars

Star Wars: The Last Jedi leaves many questions about the saga in a galaxy far, far away unanswered. Fortunately, biology may offer a insights on the Force, midi-chlorians, clones, and Rey's lineage.
A scientist works with DNA samples in a New Orleans laboratory in 2011. (AP Photo/Gerald Herbert)

You’ve got your DNA kit: Now what can you do with it?

The rapid growth of genetic testing and data-gathering could revolutionize health and medicine if governments work to protect people against privacy and societal risks.

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