Here's a link to Dr. Friedman's webpage:
http://www.goodhormonehealth.com/
And here is a link to an article that Dr. Friedman wrote about speculation that Jr. Seau may have been suffering from pituitary dysfunction due to concussion:
http://www.goodhormonehealth.com/pdf...ysfunction.pdf
This article was featured on EmpowerHer as seen here:
http://www.empowher.com/hypopituitar...itary-dysfunct