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Some artificial sweeteners disrupt the microbes in our gut—possibly in ways that increase the risk of weight gain, diabetes, and heart disease.
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Mounting evidence shows that many of today’s whole foods aren't as packed with vitamins and nutrients as they were 70 years ago, potentially putting people's health at risk.
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Sperm counts worldwide are plummeting faster than we thought
“We may cross a tipping point when most men will be sub-fertile,” says one expert. Here are environmental and lifestyle factors that could increase a man’s risk.CORONAVIRUS COVERAGE
- This strange disorder has doubled since the pandemicThis strange disorder has doubled since the pandemic
- Long COVID can destroy your ability to exercise. Here's why.Long COVID can destroy your ability to exercise. Here's why.
- COVID-19 has tested us. Will we be ready for the next pandemic?COVID-19 has tested us. Will we be ready for the next pandemic?
- COVID-19 can interfere with your period in many ways. Here's how.COVID-19 can interfere with your period in many ways. Here's how.
Podcast: The Virus Hunter
Coronaviruses aren’t new. In this episode of our podcast, Overheard at National Geographic, we examine what it takes to find a treatment for coronaviruses and what that might mean for the future of COVID-19.
Go Further
Animals
- What would the world look like without mosquitoes?What would the world look like without mosquitoes?
- Social media loves to villainize dolphins. Here's why it's wrong.Social media loves to villainize dolphins. Here's why it's wrong.
- How did wolves evolve into dogs? New fossils provide cluesHow did wolves evolve into dogs? New fossils provide clues
- This unorthodox method is saving baby parrots from extinctionThis unorthodox method is saving baby parrots from extinction
- A deadly disease that affects cats big and small found in U.S.A deadly disease that affects cats big and small found in U.S.
Environment
- ‘Corn sweat’—and other weird weather phenomena—explained‘Corn sweat’—and other weird weather phenomena—explained
- A sea tornado sank a yacht. We might see them more often.A sea tornado sank a yacht. We might see them more often.
- How billions of dollars are revolutionizing ocean explorationHow billions of dollars are revolutionizing ocean exploration
- Where to go stargazing in Chile according to a local astronomer
- Paid Content
Where to go stargazing in Chile according to a local astronomer - This coral reef should be dead—so why is it thriving?This coral reef should be dead—so why is it thriving?
- Inside the Native Hawaiian push to rebuild Maui after wildfiresInside the Native Hawaiian push to rebuild Maui after wildfires
- One surprising way humans are disrupting nature? StreetlightsOne surprising way humans are disrupting nature? Streetlights
- Beat the heat with these innovative AC alternativesBeat the heat with these innovative AC alternatives
History & Culture
- Did Babe Ruth really ‘call’ this legendary home run?Did Babe Ruth really ‘call’ this legendary home run?
- The real history behind the legend of China's Monkey KingThe real history behind the legend of China's Monkey King
- How new technology transformed the American workforceHow new technology transformed the American workforce
- This secret Civil War sabotage mission was doomed from the startThis secret Civil War sabotage mission was doomed from the start
- This rare burial site reveals secrets about the Sahara's lush pastThis rare burial site reveals secrets about the Sahara's lush past
Science
- Why some say tennis is 'the world's healthiest sport'Why some say tennis is 'the world's healthiest sport'
- Your body ages rapidly at 44 and 60. Here's how to prepare.Your body ages rapidly at 44 and 60. Here's how to prepare.
- How do gold nuggets form? Earthquakes may be the keyHow do gold nuggets form? Earthquakes may be the key
- Astronauts getting stuck in space is more common than you thinkAstronauts getting stuck in space is more common than you think
Travel
- These are the must-see sights of Italy's Veneto regionThese are the must-see sights of Italy's Veneto region
- A guide to St John's, Atlantic Canada's iceberg capitalA guide to St John's, Atlantic Canada's iceberg capital