Tag Archives: from

Thunderclap Headache: A Rare But Intense Warning Sign From the Brain – Health Essentials from Cleveland Clinic

It strikes like a clap of thunder – a sudden jolt of intense head pain that escalates to peak intensity within less than a minute and lasts up to several hours. It could be accompanied by nausea and vomiting. Advertising Policy Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support… 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 »