Tag Archives: Artificial

Artificial Sweeteners, Not Good, Not Bad

Artificial sweeteners offer no health benefits, a large review of studies found. But it found no proof that they do any harm, either. Researchers looked at 35 observational studies and 21 controlled trials of nonsugar sweeteners in children and adults. Some compared intake of sweeteners with no intake; others compared lower with higher intakes. They… Read More »

Artificial Embryos Made from Stem Cells Raise Ethical Issues

Stem cells (so-called “master cells”) are unique and important in the body because they can do almost anything, and scientists have only begun to discover their potential. That’s why researchers’ use of them has created controversy, attracting the attention of scientists, policymakers, and bioethicists across the globe. Stem cells can transform into any of the… Read More »

2019 Preview: People will receive transfusions of artificial blood

CueImages/Alamy Stock Photo By Clare Wilson Blood transfusions save lives, but supply doesn’t always meet demand, which can lead to fatal consequences. Soon, we will be able to end that problem by making blood in the lab on demand, with no donors required. Transfusions depend on armies of donors and complex networks for collecting and… Read More »