As you review the following sites, think about who has sponsored each one. How valid is the information presented? Is there any evidence of bias? Which of each pair do you think presents the most reliable and accurate information? Why? Investigate the sites carefully, but do not spend more than 10 minutes at each one. Open these two sites in tabs and compare the information.

Second Activity

Melatonin Central

Melatonin: Separating the Hype from the Hormone