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New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Security personnel keep watch outside Wuhan Institute of Virology during the visit by the World Health Organization (WHO) team tasked with investigating the origins of the coronavirus disease (COVID-19), in??Wuhan, Hubei province, China February 3, 2021. REUTERS/Thomas Peter - RC2TKL9J8J25

Health

US agency says covid-19 may have leaked from lab – here's what to know

The US Department of Energy says that covid-19 most likely originated from an unintentional laboratory leak in China, according to a classified document. However, it has not released evidence supporting the claim

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Multicolored ice cream - one sweetener added to some ice creams may raise the risk of heart attacks

Health

Artificial sweetener erythritol linked to heart attacks and strokes

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Health workers treat people with cholera at a hospital in Lilongwe, Malawi, in January 2023

Health

Global cholera outbreak: More than 1 billion people are at risk

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Lesbian couple with newborn child hugging.

Health

A single injection could protect babies against RSV over winter

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Ducks at a market in Phnom Penh, Cambodia, on 24 February 2023

Health

Bird flu death: What will happen next and is there a vaccine?

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HIIT involves vigorous bursts of exercise interspersed with short rest periods

Health

HIIT could be safe for people with heart problems

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Intestinal implants could one day treat conditions like short bowel syndrome, defined as having a short intestine that affects nutrient absorption

Health

Intestine cell transplant may one day help ease digestive issues

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white plate with spoon and fork, Intermittent fasting concept, ketogenic diet, weight loss, food crisis, restaurant and cafe reopening post covid-19 coronavirus pandemic; Shutterstock ID 1027820371; purchase_order: -; job: -; client: -; other: -

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Fasting for 24 hours could weaken the immune system

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One researcher says the study strengthens the advice to maintain good oral hygiene

Health

Rheumatoid arthritis flare-ups linked to gum disease

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Human endometrium tissue, which lines the uterus, from a person without endometriosis

Health

Endometriosis could be controlled with monthly antibody injections

Injections that block an inflammatory protein halved the size of endometriosis lesions in macaques. The treatment is now being tested in people

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Health

The amazing ways electricity in your body shapes you and your health

Features

Health

Your skin microbiome may influence the wrinkles you develop with age

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Third person 'cured' of HIV after receiving stem cell cancer treatment

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Health

Spinal cord stimulation helps people with stroke regain arm movement

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