By Debananda S. Ningthoujam, PhD
In late 19th and early to mid 20th century the majority of deaths across the world were due to infectious or communicable diseases such as pneumonia, diarrhea, and TB etc. However, human deaths in late 20th and early 21……
Read more / Original news source: http://www.ifp.co.in/page/items/61542/lifestyle-diseases-top-killers-in-the-21st-century