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Fake weight-loss medication in tablet form could flood Britain, experts warn

Better regulation and enforcement urged before launch of oral treatments, which criminals are likely to try to exploit

Experts are warning that fake weight-loss treatments could become more prevalent as tablet forms of the medications, currently available only via injections in the UK, are launched.

They say stronger regulation and enforcement are needed to prevent fraudsters from cashing in on tablets which will be easier to counterfeit.

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© Photograph: Science Photo Library/Alamy

© Photograph: Science Photo Library/Alamy

© Photograph: Science Photo Library/Alamy

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Lajuana is 89, with the body and mind of someone decades younger. What are the secrets of the superagers?

Why do some people age better than others? Five extraordinary individuals – who scientists are studying – share their tips

Lajuana Weathers is determined to be the healthiest version of herself. She starts each day with a celery juice, is always trying to increase her step count, and meditates daily. Weathers is also 89 years old. And she has no plans to slow down. “I wake up in the morning and feel blessed that I have another chance at a day of life,” says the grandmother of six, and great‑grandmother of six more, who lives in Illinois in an independent living facility for seniors. “I look at my life as a holistic entity, and in that life is my physical, social, emotional and spiritual wellbeing. I have to take care of all of those. That’s what I like about the ageing process. All the clutter of raising children is out and I can concentrate on the wellness of me.”

Weathers is a superager. This isn’t a self-proclaimed label, but one backed up by science – she is part of the SuperAging Research Initiative at the University of Chicago. To qualify for the study, you have to be over 80 years old and have memory performance that’s at least as good as the average 50- to 60-year-old. There are about 400 superagers enrolled across North America.

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© Photograph: Lucy Hewett/The Guardian

© Photograph: Lucy Hewett/The Guardian

© Photograph: Lucy Hewett/The Guardian

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Vaccine Panel Chair Says Polio and Other Shots Should Be Optional, Rejecting Decades of Science

Dr. Kirk Milhoan, a pediatric cardiologist who leads the Advisory Committee on Immunization Practices, said a person’s right to refuse a vaccine outweighed concerns about illness or death from infectious diseases.

© Brynn Anderson/Associated Press

Dr. Kirk Milhoan, a pediatric cardiologist who leads the Advisory Committee on Immunization Practices, speaking at a meeting of the committee in Chamblee, Ga., in September.
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Elon Musk annonce que le robot humanoïde Optimus sera en vente aux particuliers en 2027

Lors du Forum économique mondial de Davos, Elon Musk a une nouvelle fois créé la surprise en affirmant que Tesla commercialiserait son robot humanoïde Optimus dès l’an prochain. Une annonce ambitieuse, fidèle au style du patron de la firme américaine, alors même que peu d’éléments concrets permettent aujourd’hui …

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RFK Jr. Plan to Test a Vaccine in West African Babies Is Blocked

A planned U.S.-funded study of a hepatitis B vaccine drew widespread condemnation from researchers. Now the host country says it cannot proceed.

© Rebecca Blackwell/Associated Press

Each year thousands of babies born in Guinea-Bissau, one of the world’s least developed countries, are exposed to hepatitis B, a virus that can cause severe liver damage and cancer.
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Matière noire : des astronomes observent pour la première fois son passage à travers une collision de galaxies

Une équipe internationale d’astronomes vient de franchir une étape majeure dans l’étude de la matière noire en observant son comportement lors d’une collision spectaculaire entre deux amas de galaxies lointains. Cette observation rare apporte de nouveaux éléments pour comprendre cette composante invisible de l’Univers, qui façonne pourtant la …

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Le télescope James Webb dévoile des images stupéfiantes de la nébuleuse de l’Œil de Dieu

Le télescope spatial James Webb vient de livrer l’une de ses images les plus spectaculaires à ce jour, soit un gros plan inédit de la nébuleuse de l’Hélice, surnommée l’Œil de Dieu pour sa forme particulière. Cette observation exceptionnelle offre un aperçu fascinant du destin qui attend notre …

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