NewsPronto

 
Men's Weekly

.

USA Conversation

The Conversation USA

The Conversation USA

Vitamin K: A little-known but noteworthy nutrient

  • Written by Kyla Shea, Scientist I, Vitamin K Research Team at the USDA Human Nutrition Research Center on Aging at Tufts University, Tufts University
imageMany plant-based foods are high in vitamin K.ratmaner via Getty Images

When Danish scientist Henrik Dam fed a cholesterol-free diet to baby chicks in his lab about 90 years ago, he noticed excessive bleeding in some of them. It did not stop after he replaced the cholesterol. Dam ultimately concluded the bleeding was related to a “depletion of...

Read more: Vitamin K: A little-known but noteworthy nutrient

More Articles ...

  1. Japan's most famous writer committed suicide after a failed coup attempt – now, new photos add more layers to the haunting act
  2. Why Trump's challenges to democracy will be a big problem for Biden
  3. A scholar of American anti-Semitism explains the hate symbols present during the US Capitol riot
  4. Federal leaders have two options if they want to rein in Trump
  5. Far-right activists on social media telegraphed violence weeks in advance of the attack on the US Capitol
  6. After a record 22 billion-dollar disasters in 2020, it's time to overhaul US disaster policy – here's how
  7. Gaming has benefits and perils – parents can help kids by playing with them
  8. What the 'doctor' title means for women of color with doctorates
  9. 5 strategies for cultivating hope this year
  10. Thousands of Brazilians who won elections as Black candidates in 2020 previously ran for office as white
  11. The uncomfortable questions facing Capitol Police over the security breach by MAGA mob
  12. Vaccine delays reveal unexpected weak link in supply chains: A shortage of workers
  13. It is difficult, if not impossible, to estimate the size of the crowd that stormed Capitol Hill
  14. Chadwick Boseman's Black Panther gives a boost to diversity in STEM – a Black engineer's take on personal and professional inspiration
  15. What is Pure Land Buddhism? A look at how East Asian Buddhists chant and strive for buddhahood
  16. Why do smoke alarms keep going off even when there's no smoke?
  17. The insurrection at the Capitol challenged how US media frames unrest and shapes public opinion
  18. How does the 25th Amendment work, and can it be used to remove Trump from office after US Capitol attack?
  19. Connected workouts can help you get fit alongside virtual buddies during the pandemic
  20. US Capitol protesters, egged on by Trump, are part of a long history of white supremacists hearing politicians' words as encouragement
  21. Pikas are adapting to climate change remarkably well, contrary to many predictions
  22. Was it a coup? No, but siege on US Capitol was the election violence of a fragile democracy
  23. 'Once you engage in political violence, it becomes easier to do it again' – an expert on political violence reflects on events at the Capitol
  24. Yellow Gadsden flag, prominent in Capitol takeover, carries a long and shifting history
  25. COVID-19 crisis in Los Angeles: Why activating 'crisis standards of care' is crucial for overwhelmed hospitals
  26. Trump tapped into white victimhood – leaving fertile ground for white supremacists
  27. Legalizing marijuana, once a pipe dream on Capitol Hill, takes an important step forward
  28. In Mike Pence, US evangelicals had their '24-karat-gold' man in the White House
  29. What is a margin of error? This statistical tool can help you understand vaccine trials and political polling
  30. School budgets have held up better than expected in some states, but looming cuts will hurt learning long after pandemic ends
  31. Voting in Georgia runoff went better than June's disastrous primary, but trouble still lingers
  32. Why Trump's Senate supporters can't overturn Electoral College results they don't like – here's how the law actually works
  33. Fewer kids are enrolled in public kindergarten – that will have a lasting impact on schools and equity
  34. Mississippi just got rid of its Electoral College-like election process
  35. How kids can benefit from mindfulness training
  36. Air pollution may contribute to Alzheimer’s and dementia risk – here's what we're learning from brain scans
  37. How many people need to get a COVID-19 vaccine in order to stop the coronavirus?
  38. Can a future ban on gas-powered cars work? An economist explains
  39. In a time of social and environmental crisis, Aldo Leopold's call for a 'land ethic' is still relevant
  40. Trump's 'smoking gun' tape is worse than Nixon's, but congressional Republicans have less incentive to do anything about it
  41. Populism erupts when people feel disconnected and disrespected
  42. Ready to try an old approach to a New Year’s resolution? The story of Saint Ignatius may provide some guidance
  43. The cold supply chain can't reach everywhere – that's a big problem for equitable COVID-19 vaccination
  44. The 'gateway drug to corruption and overspending' is returning to Congress – but are earmarks really that bad?
  45. Rooting out racism in children's books
  46. How does your brain wake up from sleep?
  47. When working out makes you sick to your stomach: What to know about exercise-induced nausea
  48. Group exercise may be even better for you than solo workouts – here's why
  49. Seat belts and smoking rates show people eventually adopt healthy behaviors – but it can take time we don't have during a pandemic
  50. America's newest voters look back at the 2020 election – and forward to politics in 2021