North America
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Cannabis concerns in adolescence and pregnancy
Cannabis should be avoided during adolescence and early adulthood, as well as by people prone to or with mental health disorders, according to an in-depth evidence review of cannabis and health. Read more
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Risk of cancer death from low-dose ionising radiation – new analysis
Individuals who have prolonged exposure to low-dose ionising radiation have a higher risk of death from cancer than previously thought, a new study suggests. Read more
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New variant could become dominant
A new COVID variant could become dominant globally – although its public health risk is low, the World Health Organization has warned. Read more
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Poor mental health not a direct link of cancer
Poor mental health is not a direct cause of cancer – although it may trigger carcinogenic behaviour, according to a major study published today. Read more
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Blood pressure risk even with small amounts of alcohol
The amount of alcohol an individual contributes to raising blood pressure – even if they do not have hypertension, according to a major analysis published today. Read more
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How successful HIV therapy prevents transmission
Patients who take daily antiretroviral therapy have almost no risk of passing on HIV, according to a major new study published today. Read more
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Psychedelic drugs for cancer-related distress?
Psychedelic drugs could be useful to help women manage the distress of living with cancer, experts say today. Read more
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Help with hearing may limit cognitive decline
Hearing aids may significantly benefit adults who at risk for cognitive decline, according to the findings of the first randomised trial of its kind. Read more
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Early diagnosis call following Alzheimer’s drug success
Campaigners have called for new efforts to achieve accurate early diagnosis of Alzheimer’s disease after a conference heard promising results from a new monoclonal antibody treatment. Read more
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Work exposures may raise ovarian cancer risk
Several occupations appear to be closely linked to ovarian cancer risk, according to a new analysis. Read more