Shannon leary

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DNA editing takes a serious step forward -- for better or worse

It's a scenario that has haunted biologists since the dawn of the DNA age: the evil scientist custom-crafting a human being with test tubes and Petri dishes.<p>So when a Chinese team revealed last month that it had used a new laboratory technique to alter a gene in human embryos, it set off an urgent …

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Neuroscientists Confirm That Strangers Can Become Ourselves

In a previous <i>Psychology Today</i> blog post, Neuroscientists Confirm That Our Loved Ones Become Ourselves, I wrote about a study that illustrated how …

Weight Training Programs That Build Muscle

You don’t need an advanced degree in exercise science to figure out the above exercises. They aren’t fancy or complicated, none are helped with …

Relaxed DNA may contribute to aging

People with Werner syndrome—a rare disease with symptoms that mimic premature aging—usually go gray in their 20s, develop cataracts and osteoporosis …

Do we all have Alzheimer's completely wrong? This man says yes

Throughout his career, Duke University neurology professor Allen Roses has challenged what for decades has been the prevailing orthodoxy in Alzheimer’s research: Namely, the “amyloid hypothesis,” which suggests that a protein called beta-amyloid clogs up the brain, killing neurons and causing the …

Americas Region Becomes World's First to Eliminate Rubella

The Americas region has become the first to successfully eliminate rubella, a contagious viral infection with similar symptoms to measles, health …

'I had to save my unborn child': Witness tells Holmes jury of horror at theater

A moviegoer told jurors at the Colorado murder trial of James Holmes Tuesday she initially thought she was witnessing a prank when an emergency exit opened and a gunman burst in, then her thoughts turned to the baby inside her when she realized her life was in danger.<p>Katie Medley’s testimony came …