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![An air purifier standing in the middle of a living room](https://cdn.mos.cms.futurecdn.net/mXu3MG3yzjjiXm7WFWdWQ8-320-80.jpg)
Best air purifiers for allergies 2024
By Molly Cleary last updated
BUYING GUIDE These are the best air purifiers for allergies you can buy in every category, from Levoit Core 600S and GermGuardian AC4825E to RabbitAir A3.
![An artist's rendering of veggie burgers going down a factory conveyor belt](https://cdn.mos.cms.futurecdn.net/mfSyMEDHcb8Duupxuake7b-320-80.jpg)
Does fake meat cause heart disease? Here's what the science actually says.
By Lori Youmshajekian published
A recent study found that eating ultraprocessed plant-based foods was linked to heart attack and stroke risk. But the devil is in the details.
![A photo of a spread of meat, fish, vegetables, fruits, legumes, and grains](https://cdn.mos.cms.futurecdn.net/JLGEzmwZuWC7GPe9BQA4Tj-320-80.jpg)
'We've always been omnivores': Why 'meatfluencers' are wrong about what our ancestors ate
By Kate Wong published
Nutrition influencers claim we should eat meat-heavy diets like our ancestors did. But our ancestors didn't actually eat that way
![three black and white dairy cows with tagged ears looking through a fence](https://cdn.mos.cms.futurecdn.net/d2f25MHRHdwMkXFtyUzVeT-320-80.jpg)
H5N1: What to know about the bird flu cases in cows, goats and people
By Nicoletta Lanese last updated
Bird flu in cows and goats has raised alarm in the U.S. To date, four people are thought to have caught the virus from cattle, but the risk to the general public is low.
![Three white dairy cows and one black dairy cow eating through a fence](https://cdn.mos.cms.futurecdn.net/HQRuCarFhL9rFsn9oRFqKb-320-80.jpg)
4th person catches bird flu from cows, this time in Colorado
By Nicoletta Lanese published
A fourth person in the U.S. has caught bird flu after working with infected cows on a farm.
![Echelon Smart Rower on a green background](https://cdn.mos.cms.futurecdn.net/WU7vNveKk43VYSuhdDsd3M-320-80.jpg)
Save $400 on our favorite foldable rowing machine with this Black Friday in July Sale deal
By Anna Gora published
Deals Save a whopping 40% on the Echelon Smart Rower at Echelon.
![A photo of a blonde woman holding a young child. Colorful zigzags are shown around the child's head, indicating that she's experiencing a migraine with aura](https://cdn.mos.cms.futurecdn.net/NXStmT5VKtbhLj39Ku6zkB-320-80.jpg)
'This is what drives the migraine headache': Scientists uncover 'missing link' in why some migraines happen
By Michael Schubert published
A new mouse study uncovered a previously unknown route between the brain and peripheral nerves that could explain the link between aura symptoms and migraine headaches.
![Two boxes of Xanax lying side-by-side, pointing towards the camera. They appear to be positioned on top of a wooden table. The box on the left is open and packets of pills are sliding out of it towards the camera.](https://cdn.mos.cms.futurecdn.net/9a54X8hw6Z7RKm33VSxUoL-320-80.jpg)
Benzos like Xanax may shrink the brain in the long term, study hints
By Emily Cooke published
A new study involving almost 5,500 people suggests that long-term benzodiazepine use may shrink parts of the brain involved in memory and mood regulation.
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