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Discover the latest health news, scientific discoveries and big ideas about the human body and treating diseases, covid-19, diet, fitness, exercise, wellness and how to live a healthy life.

Circulating breast cancer cells. Fluorescence light micrograph of a cluster of circulating tumour cells (CTCs, red) and white blood cells (green) from the blood of a patient with breast cancer. CTCs are an important focus of cancer research because they provide a key target for new treatments. By identifying the molecular adaptations and genetic mutations that allow CTCs to spread (metastasize), it may be possible to develop strategies to block metastatic cancer on a patient-by-patient basis.

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Breast cancer is more likely to spread during sleep

Tumour cells appear to circulate in the blood more during the night, hinting that therapies should be targeted to maximise their impact at night

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In a laboratory experiment, proteins in a meat substitute (left) were less well absorbed by gut cells than protein from chicken breast (right)

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Protein from plant-based ‘meat’ may be less well absorbed by the body

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Health

Personalised cancer vaccines are finally beating hard to treat tumours

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2E1NNC0 Vitamin E Softgels Spilled from a Bottle

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Vitamins and dietary supplements are a waste of money for most people

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Teenagers smoking

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Teenagers with unhealthy lifestyles age faster than healthier peers

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A person collects a covid-19 lateral flow test kit in London in December 2021

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Long covid risk with omicron variant may be half what it is with delta

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A solar storm

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Solar storms may cause up to 5500 heart-related deaths in a given year

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Blurred crowd of unrecognizable at the street; Shutterstock ID 1435893959; purchase_order: -; job: -; client: -; other: -

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Online tool predicts impact on your life expectancy from 1800 diseases

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JERSEY CITY, NJ - JANUARY 02: E-cigarettes devices are display in a local store on January 2, 2020 in Jersey City, New Jersey. The Trump administration will announce this week the ban for mint-, fruit- and dessert-flavored e-cigarette cartridges, but allow menthol and tobacco flavors to remain on the market. Flavored liquid nicotine used in open tank systems can continue to be sold. (Photo by Eduardo Munoz Alvarez/Getty Images)

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Vaping v smoking: Why the FDA may limit access to flavoured vapes

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Sickle-cell disease is a recessive genetic blood disorder that affects red blood cells

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Children to get CRISPR treatment for sickle cell disease in trial

CRISPR gene-editing trials for treating beta thalassaemia and sickle cell disease are being extended to include people under the age of 12 after positive results in older people

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Exercising before or after a flu vaccine may make it work better

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How big a covid-19 wave could omicron subvariants BA.4 and BA.5 cause?

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Origin of Black Death finally found in bacteria from Kyrgyzstan graves

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Appetite-suppressing molecule helps obese mice lose weight

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