Medical research

Scientists create 'human liver' from stem cells

Scientists in Japan said Wednesday they had grown human liver tissue from stem cells in a first that holds promise for alleviating the critical shortage of donor organs.

Diseases, Conditions, Syndromes

Officials cite mistakes as CDC removes coronavirus guidance

U.S. health officials removed some coronavirus reopening tips for religious organizations only hours after posting them late last week, deleting guidance that discouraged choir gatherings and the use of shared communion cups.

Health

Experts urge US to change organ donation policies

A group of more than 300 prominent doctors, religious leaders and ethicists on Wednesday urged President Barack Obama to change the current system for organ donation, saying too few people get life-saving transplants.

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