There were an estimated 20 million new cancer cases and 9.7 million deaths in 2022, according to the International Agency for Research on Cancer. Around a fifth of people develop cancer in their lifetime, and 1 in 9 men and 1 in 12 women die from the disease. Rio de Janeiro has declared a public health emergency as cases of dengue fever spiked days ahead of Carnival celebrations across Brazil. Authorities announced the move to contain the mosquito-borne epidemic, which has already led to more than 11, 000 cases in Rio in 2024, compared to nearly 23,000 for the whole of 2023. AI can improve the accuracy of doctors' diagnoses of skin disease but does not necessarily compensate for bias, research published in Nature Medicine shows. Doctors remain less likely to correctly identify skin diseases on non-white skin even with the assistance of AI, the authors say. Another study, featured in Nature Aging, has identified over 1,400 blood proteins that may predict several forms of dementia a...
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