Blood stem cells remember previous attacks and produce more immune cells like these macrophages to fight a new infection. (Image: Sieweke lab / CIML)
Our...
https://www.youtube.com/watch?v=hwNiGLOrUeE
Gentle back and forth ... and your eyes get heavy. What is this well-known sleep trick about? Do you actually benefit from the slumber...
You obviously take smoke with you. (Image: ljubaphoto / iStock)
At least in non-smoking areas you are safe from cigarette smoke, you might think. But...
How unhealthy are sweeteners? (Image: humonia / istock)
Too much sugar is known to be unhealthy: excessive consumption of the sweet substance not only increases...