
How Spaceflight Changes the Building Blocks of the Human Body
Humans first journeyed into space in 1961, but even half a century later, questions remain about how spaceflight affects the human body.
When it comes down to it, it's your immune system versus the world. From "innate" immunity — which protects your body against basic threats — to "adaptive" immunity, which homes in on specific targets, your immune system has you covered. Sometimes, however, your immune system can turn against you, leading to autoimmune diseases. To keep up with all things immune, check here for the latest news.
Related Topics: Circulatory System, Nervous System, Virus, Endocrine System