It's not clear if humans with ... a way to mimic those effects pharmaceutically. Unlike sleeping in a hypobaric chamber, as ...

If your condition worsens, you may begin to have difficulty hiking. Scenarios like this are not uncommon, so it's essential that you understand the physiological effects of high altitude. Altitude is ...

This implies that human habitation existed in the area during that period. The site is located more than 11,000 feet above sea level. This means that the group was living in high-altitude mountains.