Growing evidence suggests that environmentally relevant elevations in CO2 (< 5,000 ppm)
may pose direct risks for human health. Increasing atmospheric CO2 concentrations could …

Anxiety disorders are more prevalent in women than in men. In women the menstrual cycle
introduces another variable; indeed, some conditions eg, premenstrual syndrome, are …

With modern populations in developed countries spending approximately 90% of their time
indoors, and with carbon dioxide (CO2) concentrations inside being able to accumulate to …

Regular treadmill running during adolescence improves learning and memory in rats.
During adolescence, the baseline level of stress is thought to be greater than during other …

Human activities are elevating atmospheric carbon dioxide concentrations to levels
unprecedented in human history. The majority of anticipated impacts of anthropogenic CO2 …

Abstract Introduction During the SARS-CoV-2-pandemic, face masks have become one of
the most important ubiquitous factors affecting human breathing. It increases the resistance …

Fifty years after the first humans stepped on the Moon, space faring nations have entered a
new era of space exploration. NASA's reference mission to Mars is expected to comprise …

Abstract Space exploration objectives will soon move from low Earth orbit to distant
destinations like Moon and Mars. The present work provides an up-to-date roadmap that …

In an enclosed environmental chamber, fifteen participants were recruited to investigate the
effects of elevated carbon dioxide (CO 2) concentration and mental workload on their task …

A team of experts on the effects of the spaceflight environment on the brain and eye (SANS:
Spaceflight-Associated Neuro-ocular Syndrome) was convened by NASA and ESA to (1) …