The natural RNAi mechanism can be directed by either short interfering RNA (siRNA) or microRNA (miRNA). 1 There are four key steps in the RNAi pathway. When miRNA acts as the guide for RNAi, only a ...

Seven years ago, I took a bet from one of the most controversial figures in the scientific world. Charles Murray, the political scientist who—along with the late psychologist Richard Herrnstein—wrote ...

Adopt a calorie-controlled, nutrient-rich diet because while genes may predispose, excess calories magnify risk. Prioritise ...

It depends on what your goal is. By Dana G. Smith When Dr. Nir Barzilai met the 100-year-old Helen Reichert, she was smoking a cigarette. Dr. Barzilai, the director of the Institute for Aging Research ...

With no cure for Alzheimer’s disease, doctors have repeatedly stressed the importance of knowing your personal risk factors and doing everything you can to protect your brain as you age. In that sense ...

New research from Estonia links specific genes to weight and appetite, offering insight into why some people gain weight more ...

Researchers identified over 400 genes tied to various forms of frailty, offering fresh insight into why people age differently. The study highlights six distinct pathways of unhealthy aging, opening ...

Martin Kampmann’s work, supported by the National Institutes of Science (NIH), maps cellular “decision points” that determine ...

When a supercentenarian, someone who is older than 110 years old, is interviewed, they are inevitably asked to share their tips for longevity. But what if their secret could be studied scientifically?

Researchers have gained new insights into the genetic basis of rye reproduction. They have demonstrated how plants recombine ...

Even within a single species, animals don't all respond in the same way to environmental changes. A new study of reed frogs ...