We may not be absolutely certain about the origin of COVID-19, but, what we know for a fact is that most human disease-causing pathogens came from animals. And when I say most, I mean over 60% of them. This transference of a disease from an animal to human beings is called Zoonoses,
People exposed to high levels of air pollution are more likely to be depressedm, even commit suicide, according to a new study.