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Category: Cardiovascular (Page 1 of 2)

Exercise isn’t likely to ruin your knees

A meta-analysis found no link between knee osteoarthritis and either the amount or duration of routine exercise.

As someone who has good knees and has run many marathons, I’m happy to read this.

From the Press Release »

“Knowing that the amount of physical activity and time spent doing it is not associated with the development of knee osteoarthritis is important evidence for both clinicians and the public who may need to consider this when prescribing physical activity for health,” said co–lead author Thomas Perry, BSc, PhD, of the University of Oxford, in the UK.

Ed Cara, Gizmodo »

Age is the largest risk factor for osteoarthritis, along with others like sex (women report it more often), genetics, and weight, since it can put more stress on the knees. Physically stressful jobs that require lots of heavy lifting and knee-bending have been linked to osteoarthritis as well. It’s less clear whether physical activity outside of work can cause or worsen knee osteoarthritis, though it’s certainly a common fear that exercises like running will eventually ruin your knees.

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10 publishers are responsible for 69% of climate change denial content on Facebook

The Guardian »

Ten publishers are responsible for 69% of digital climate change denial content on Facebook, a new study from the Center for Countering Digital Hate (CCDH) has found. The outlets, which the report labels the “toxic ten”, include several conservative websites in the US, as well as Russian state media.

  • Breitbart, a far-right news site once run by former Trump strategist Steve Bannon
  • Western Journal, a Conservative news site
  • Newsmax, which has previously been sued for promoting election fraud conspiracies
  • Townhall Media, founded by the Exxon-funded Heritage Foundation
  • Media Research Center, a “thinktank” that received funding from Exxon
  • Washington Times, founded by self-proclaimed messiah Sun Myung Moon
  • The Federalist Papers, a site that has promoted Covid misinformation
  • Daily Wire, a conservative news site that is of the most engaged-with publishers on Facebook
  • Russian state media, pushing disinformation via RT.com and Sputnik News
  • Patriot Post, a conservative site whose writers use pseudonyms

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Influenza and heart disease » The surprising connection that might convince you to get your flu vaccine

Science Daily »

It’s well-known that the flu can lead to significant respiratory symptoms such as pneumonia, bronchitis and bacterial infection of the lungs. The virus’ effects on the heart have historically been harder to parse out, in part because many patients already have a known predisposition to cardiac events and in part because the cardiac event often occurs weeks after the onset of the flu.

But here’s what recent research has shown:

  • Cardiovascular deaths and influenza epidemics spike around the same time.
  • Patients are six times more likely to experience a heart attack the week after influenza infection than they are at any point during the year prior or the year after the infection.
  • In one study looking at 336,000 hospital admissions for flu, 11.5% experienced a serious cardiac event.
  • Another study looking at 90,000 lab-confirmed influenza infections showed a strikingly similar rate of 11.7% experiencing an acute cardiovascular event.
  • One in eight patients, or 12.5%, admitted to the hospital with influenza experienced a cardiovascular event, with 31% of those requiring intensive care and 7% dying as a result of the event, another study found.

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Phthalates, chemicals used in cosmetics and food packaging, connected to 100,000 deaths a year in the U.S.

Amanda Holpuch, The Guardian »

The group of chemicals called phthalates, also known as plasticizers, may contribute to the early deaths of 91,000 to 107,000 older adults in the US each year, according to a new study.

Adults between 55 and 64 with the highest concentrations of phthalates in their urine were more likely to die of any cause, especially heart disease, than adults with lesser exposure.

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Most adults should not take a daily aspirin to prevent the first heart attack or stroke as “aspirin use can cause serious harms and risk increases with age”

Lindsey Tanner, AP »

Older adults without heart disease shouldn’t take daily low-dose aspirin to prevent a first heart attack or stroke, an influential health guidelines group said in preliminary updated advice released Tuesday.

Bleeding risks for adults in their 60s and up who haven’t had a heart attack or stroke outweigh any potential benefits from aspirin, the U.S. Preventive Services Task Force said in its draft guidance.

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