But while someone is taking the drugs, the virus almost disappears from his blood stream and, crucially, his seminal fluid.

ECONOMIST: The XVIIth International AIDS Conference

Saturday saw the density of PM2.5 air particles smaller than 2.5 microns and able to enter the lungs and even the blood stream climb higher than 900 micrograms per cubic meter in several districts in the capital, according to the Beijing Municipal Environmental Monitoring Center.

FORBES: As Coal Imports Rise, Getting Harder To Breathe In China Cities

The sight of him standing there with his sleeves pushed up and his cloth over his shoulder and his look of readiness all this made me smile, and the smile that came back to me seemed to stream out of the glass and into my arms, my chest, my face, my blood.

NEWYORKER: Miracle Polish