system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why can’t you donate blood or organs if you have lived in Europe in the 80’s?
gpt
There was the mad cow disease period between 1980 and 1996.the mad cow disease affects the brain of the animals. People who consumed meat of an infected animal may be affected too. There are studies that suggest that the disease may be spread even with blood transfusion if the person had consumed that meat.,tho there is no real evidence.