Effect of spaceflight on the human body Effect of spaceflight on the human body Venturing into the environment of space can have negative effects on the human body. Significant adverse effects of long-term weightlessness include muscle atrophy and deterioration of the skeleton (spaceflight osteopenia). Other significant effects include a slowing of cardiovascular system functions, decreased production of red blood cells, balance disorders, eyesight disorders and a weakening of the immune system. Additional symptoms include fluid redistribution (causing the "moon-face" appearance typical in pictures of astronauts experiencing weightlessness), loss of body mass, nasal congestion, sleep disturbance, and excess flatulence. The engineering problems associated with leaving Earth and developing
Catholic theology of the body union is not possible, abstinence is required. And, he added, in the time of World War II, so many acts of real heroism were required of men and women in so many countries, against which sexual abstinence paled in comparison. The human body and its needs should not be the centre of gratification but need to be sublimated to spiritual priorities that reflect the divine design and destiny. Marriage is not the highest value and human dignity must be preserved and applied in the marital act. The teachings of the Church reject a hedonistic view of the human body, while