Just what we need: another COVID variant. This one is called Delta AY.4.2 and it's now circulating in the UK. It might be a bit worse than the already awful Delta variant. Should we be concerned? And what does this suggest about COVID in the future?
We need new coronavirus variants like a duodenal ulcer, but they're here – something any virologist would have said was inevitable. Here's a lesson on how mutation works. Plus an explanation of what those crazy letters and numbers mean that you see in the news.
The latest in health this week: Amino acids key in Alzheimer's may develop 20 to 30 years prior to onset of illness, the March Against Myths of Modification needs your help in debunking the dangers of GMOs, and Metabolic Syndrome affects one in every three US adults