The Surprising Influence of Smell on Aging

by Hannah Smithfigures by Xiaomeng Han If you ask any aging researcher, “What is the easiest way to make an animal in the lab live longer,” they will likely say “change what, or how much, they eat.” However, new research shows that it’s not just the food we eat that changes how we age, but that aging is also affected by the food we smell.  … Continue reading The Surprising Influence of Smell on Aging

How Proper Dieting Can Restrict the Clock of Aging

by Aditya Misra and Shreya Mathurfigures by Wei Wu and Jovana Andrejevic 117 million U.S. adults have one or more preventable chronic diseases related to diet, such as cardiovascular disease, high blood pressure, and type 2 diabetes. In an effort to prevent this outcome for themselves, an estimated 45 million Americans try to be healthier by taking up a diet and spending upwards of a … Continue reading How Proper Dieting Can Restrict the Clock of Aging

Refugees’ Gut Bacteria Become Westernized After Moving to the US

In each human gut, a community of trillions of bacteria help digest food and make certain nutrients. Some of these bacteria are associated with disease such as diabetes and Crohn’s, while some prevent disease. The composition of bacteria varies from one person to another, with diet and geographical location contributing to the diversity. In modern times, where millions of people migrate around the globe, their … Continue reading Refugees’ Gut Bacteria Become Westernized After Moving to the US

Eating for a Trillion: Can your microbiome be the key to long-lasting weight loss?

by Jemila C Kester, PhD figures by Rebecca Clements In the Seinfeld episode “The Stranded,” Jerry is choosing between two cold medicines. “This is quick-acting, but this is long-lasting,” he notes. “When do I need to feel good, now or later?” We often face a similar dilemma when choosing a particular diet as weight-loss “medicine.” With a third of American adults overweight, there’s a veritable … Continue reading Eating for a Trillion: Can your microbiome be the key to long-lasting weight loss?

Nature or Nurture: Why Do Women Live Longer Than Men?

 Women now tend to live longer than their male counterparts in every country in the world, but anatomy alone cannot fully explain why.  Looking to solve this riddle, researchers at the University of Wisconsin-Madison recently studied how the primary causes of death have changed over the past few centuries.  They found that men and women had comparable life expectancies during the 19th century and that the … Continue reading Nature or Nurture: Why Do Women Live Longer Than Men?