BPS 1101 Lecture Notes - Lecture 1: Dracunculus Medinensis, Tonic Water, Quinine
Document Summary
In canada (as of 2009), the average life expectancy is 81. 2 years: we have one of the highest standards of living in the world, there is a longer life span and improved quality of life. We live in a unique time and place. The current life expectancy is higher now than at any other time in history. Life span is an educated guess written records and archaeology. Important to remember that only important people make it into historical records, life expectancy is mostly the ordinary people. Most improvements in life span have happened over the last 150 years: scientific discoveries began 150 years ago and because of this our life expectancy increased. 1900 life expectancy 44 years: main causes of death. 2004 life expectancy 82 years: heart disease, cancer, stroke, lower respirators infection, traffic accidents, diabetes. This condition still exists in many developing countries. Tapeworm: can lay 1,000,000 eggs per day. Roundworm: maximum size is 50cm, can lay 200,000 eggs/day.