Communicable diseases are also called infectious or transmissible diseases. They are primarily illnesses resulting from infection, presence and also the growth of disease-causing biologic agents in a person or even other hosts such as animals. Som...Communicable-illnesses-and-their-control …

Qn 1    Agricultural Revolution saw humanity moving onto a settled life as human labor was replaced by machines, fertilizers which did most of the work. The industrial revolution brought about the use of new energy sources, e.g., e...Environmental-History-of-Humanity …

Life stressors are common in everybody’s life. There are always moments in life associated with sadness. In some cases, these cases or instances of sadness are very severe, and thus a person is diagnosed with depression. Depression is a great as...Life-stressors:-Depression-and-Anxiety …