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the faces of two twin babies sitting across from each other against a blank background

Did you share the womb with a 'vanishing twin'? The answer may be written in your DNA.

By Nicoletta Lanese

Identical twins' DNA bears a unique "epigenetic signature," a new study finds.

Copper-color rings around a man's irises helped doctors diagnose his genetic disease. The rings, shown above, are known as Kayser–Fleischer rings and are a sign of Wilson's disease. Image on the right shows a slit-lamp examination of the man's eye in which copper deposits can be seen in a part of the eye known as the Descemet’s membrane.

Why did this man have copper-colored rings in his eyes?

By Rachael Rettner

The rings were a clue to the man's rare disease.

What is gait analysis? Image shows person tying trainer laces.

What is gait analysis?

By Deborah Fraser

REFERENCE We're asking; what is gait analysis? And how can it improve your running?

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Levoit 400s air purifier review: Image shows the air purifier against a white backdrop.

Levoit 400S air purifier review

By Joanne Lewsley

REVIEW Giving more expensive purifiers a run for their money, the Levoit 400S air purifier is an affordable appliance that’s easy to use and quietly efficient.

REVIEW
Do air purifiers help with bad smells: Image shows air purifier next to a plant

Do air purifiers help with bad smells?

By Joanne Lewsley

REFERENCE It's well known that they can capture allergens, but do air purifiers help with bad smells? We have all the answers you need.

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Should you brush your tongue: image of woman brushing tongue

Should you brush your tongue?

By Michelle Oakwell

REFERENCE You clean your teeth and floss your gums but should you brush your tongue as well?

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Is treadmill running easier: image of woman on treadmill

Is treadmill running easier than outdoor running?

By Becks Shepherd

REFERENCE Is treadmill running easier than running outdoors? We’ve got all the answers.

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Radiation naturally occurs all around us and can get into our bodies in several ways.

How radioactive is the human body?

By Jacklin Kwan

Radiation is all around us, but how does it get into our bodies?

Lesser horseshoe bat (Rhinolophus hipposideros), several females in maternity roost with young, extremely endangered species, Thuringia, Germany.

Viruses found in Laos bats are closest known relatives to SARS-CoV-2

By Rachael Rettner

Strengthening case for natural origin.

Image of a syringe and COVID-19 vaccine.

Half of unvaccinated workers say they'd rather quit than get a shot

By Jack J. Barry, Ann Christiano, Annie Neimand

Will they really quit?

Can dehumidifiers help with snoring? Image shows couple in bed

Can dehumidifiers help with snoring?

By Meg Walters

REFERENCE Can dehumidifiers help with snoring and improve your sleep quality?

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Is the treadmill good for losing weight? Image of woman using treadmill

Is the treadmill good for losing weight?

By Becks Shepherd

REFERENCE Yes, it's handy for running indoors when the weather is poor, and keeping fit, but can your treadmill help you lose weight?

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Are exercise bikes good cardio? Image of woman working out on a bike at the gym

Are exercise bikes good cardio?

By Patricia Carswell

REFERENCE Are exercise bikes good cardio? We find out if you can pedal your way to health and fitness.

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Recumbent bikes vs upright bikes: What's the difference? Image of hands on bike handlebars

Recumbent bikes vs upright bikes: What's the difference?

By Howard Calvert

REFERENCE We break down the main differences when it comes to recumbent bikes vs upright bikes and the benefits they can bring to exercise.

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Air purifier vs essential oil diffuser: Image shows oil diffuser mist

Air purifier vs essential oil diffuser: What's the difference?

By Katie Treharne

REFERENCE Air purifier vs essential oil diffuser: the lowdown on each one.

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What is the Air Quality Index? Image shows woman breathing in air

What is the Air Quality Index?

By Joanne Lewsley

REFERENCE What is the air quality index and how can you measure it at home? We’ve got all the information you need.

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Is insomnia a sign of pregnancy? Image shows pregnant woman in bed

Is insomnia a sign of pregnancy?

By Patricia Carswell

Reference Is insomnia a sign of pregnancy? We asked the experts for their advice.

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a coronavirus being attacked by antibodies

Even mild COVID-19 can shrink the brain, preliminary research finds

By Jessica Bernard

Reduced brain volume in people who have experienced COVID-19 resembles brain changes typically seen in older adults. The implications of these findings are not yet clear.

katalin kariko and drew weissman are pictured working at a lab bench and wearing surgical masks

Scientists behind tech in mRNA vaccines snag 2nd prestigious prize — is a Nobel next?

By Nicoletta Lanese

The scientists recently won one of this year's $3 million Breakthrough Prizes, as well.

Peloton vs Echelon: image of woman after using exercise bike

Peloton vs Echelon: Which exercise bike is better?

By Maddy Biddulph

REFERENCE Peloton vs Echelon: everything you need to know in order to pick the right exercise bike for your home.

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