The human body is adapted to the gravitational field at the surface of the Earth and a weightless environment can have adverse effects on human health, including space sickness.
Therefore, a weightless environment can have adverse effects on human health, including space sickness. The human body has adapted to the gravitational field at the surface of the Earth.
The human body has adapted to the gravitational field at the surface of the Earth. Therefore, a weightless environment can have adverse effects on human health, including space sickness.
The human body has adapted to the gravitational field at the surface of the Earth. Therefore, a weightless environment can have adverse effects on human health, including space sickness.