Scientists in Japan are now allowed to use tissue from induced pluripotent stem cells to regenerate heart muscle in a limited trial. But some ethicists are worried that the benefits of the technique might not be worth it.
In part because doctors sometimes attribute people's physical problems to their mental states and also tend to be pessimistic about the ability of people with mental illnesses to get better, Americans who have depression and other serious mental illnesses die 15 to 30 years earlier than those without those conditions.
"These findings show that deep learning convolutional neural networks are capable of outperforming dermatologists, including extensively trained experts, in the task of detecting melanomas," said the author of a study in the Annals of Oncology.
"Conclusive evidence for the benefit of any supplement across all dietary backgrounds (including deficiency and sufficiency) was not demonstrated," according to a new meta-analysis of multivitamin studies.