Omega-3s and inflammation: What you need to know

Plus: Biotics, gut health, and why people are getting meaner  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌    ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  

 

HOW TO HAVE A HEALTHY GUT VIEW ONLINE

HOW TO HAVE A HEALTHY GUT

This week: How Omega-3s reduce inflammation; explaining probiotics, prebiotics, and postbiotics; your gut microbiome; why people are getting meaner; the science of nostalgia; how to survive the heat.

PHOTOGRAPH BY ERIKA LARSEN, NAT GEO IMAGE COLLECTION Omega-3 fatty acids are more critical for your health than we thought A significant new study—the first of its kind—shows that the nutrients found in walnuts, seeds, and certain types of seafood can reduce inflammation caused by aging, and improve declining lung function. Here's what Omega-3s are—and which foods are the best sources. THE BEST SOURCES OF OMEGA-3S HOW TO EAT: These foods can lower your risk of disease +

IMAGE BY ZEPHYR, SCIENCE SOURCE The end of inflammation? New approach could treat dozens of diseases. Cancer, aging, and severe COVID-19 have all been linked to damage from inflammation. Now scientists are flipping their focus to find new drugs that may revolutionize treatments. HOW IT WORKS VSEVOLOD ZVIRYK, SCIENCE PHOTO LIBRARY A drug to reverse arthritis or make our hearts young again? It's not sci-fi. Scientists continuously infused the blood of young mice into old mice—and found that the old mice functioned as if they were young. What if something similar could be done in humans? SENOLYTICS 101

PHOTOGRAPH BY GARO, PHANIE/SCIENCE PHOTO LIBRARY Probiotics, prebiotics, postbiotics. What's the difference—and why are they so crucial? The words probiotics, prebiotics, and postbiotics may sound like variations of the same thing, but what a difference a prefix makes. These beneficial microbes and molecules are critical to our gut health—and could help treat everything from obesity to depression to sleep disorders.  WHAT THEY DO

MICROGRAPH BY MARTIN OEGGERLI, NAT GEO IMAGE COLLECTION What exactly is your gut microbiome—and how does it affect your overall health? The gut microbiome can impact your digestion, immune system, and even your mood. Here's how it works and what you can do to keep it healthy. HOW TO HAVE A HEALTHY GUT

ARE PEOPLE GETTING MEANER?

PHOTOGRAPH BY KIRN VINTAGE STOCK, CORBIS VIA GETTY IMAGES It isn't a new sentiment: The 19th-century philosopher Friedrich Nietzsche famously proclaimed, "To see others suffer does one good." But if you've noticed that people seem to be getting crueler, you might actually be right. Experts explain the factors that may be leading to this nationwide deficit of empathy. SCHADENFREUDE

WHY YOUR BRAIN LOVES NOSTALGIA

PHOTOGRAPH BY HAROLD M. LAMBERT, GETTY IMAGES From Barbie to Indiana Jones, and Teenage Mutant Ninja Turtles, media makers have been betting big on nostalgic fare. And so far, it's proven catnip to the masses. It might seem like pop culture is just lazily recycling old ideas, but experts say yearning for the "good old days" is more than just a fuzzy feeling. YOUR BRAIN ON NOSTALGIA BARBIECORE: Barbie's iconic pink may be the world's oldest color. Here's how it took over the world. +

HOW TO SURVIVE A HEAT WAVE

PHOTOGRAPH BY LOUISE DELMOTTE, FOR THE WASHINGTON POST/GETTY IMAGES Across the U.S., heat waves have become longer, hotter, and more frequent in recent decades. So, it would follow that the risk of heat-related deaths and illnesses could go up, too. From dehumidifiers to electrolyte water, here's what you need to know to protect yourself from deadly heat. HOW TO PROTECT YOURSELF

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