Summary of Shanna H. Swan and Stacey Colino's Count Down

Sample Insights from Chapter 1

.#1

The world is changing at a rapid pace, and so is the status of the human race. If sperm counts continue to fall at the current rate, by the year 2050 many couples will have to turn to technology to reproduce, such as assisted reproduction and frozen embryos.

#2

The author, a scientist, was working on male fertility. She presented her findings at a conference, which made her realize that male fertility was not the only thing that was declining. It was also affecting female fertility.

#3

The two sex hormones, estrogen and testosterone, are important for both sexes. They play a role in reproductive function, and can be affected by endocrine-disrupting chemicals as well as lifestyle factors.