The Society for the Study of Androgen Deficiency (SSAD) is dedicated to the dissemination of knowledge on Testosterone (Androgen) Deficiency to the Medical Profession, as well as helping men suffering from this debilitating condition. We hope that the following resources may help you find a solution to any concerns relating to testosterone deficiency.

An anonymous interactive on-line questionnaire developed and validated by Professor Lothar Heineman can be used to assess your symptoms and give you an idea of the severity of your condition.
Click here for the Questionnaire - you will not be asked for details that can identify you

A way to calculate your Free Testosterone, an important piece of data in the diagnosis of Androgen Deficiency.
Click here to print out your nomogram

The Lay Forum is a place where you can meet other sufferers, share their experiences, and ask questions on all aspects relating to Testosterone Deficiency.
Click here for the Lay Forum.

The Blogs are for members to keep an on-line diary of their treatment progress for all to see. Other members can make comments on Blog entries to share their experiences and provide support. Enetually the Blog will become a complete case history of a person's treatment .
Click here for the Blogs.

We maintain a list of Doctors who are full members of the Society, and have active interests in this field.
Click here for the Doctors' List

We have a selection of books addressing the problems of Testosterone Deficiency, available for purchase on-line.
Click here for the on-line bookshop

We are making available the texts of certain important publications on Androgen Deficiency, starting with "The Testosterone Revolution" by Dr Malcolm Carruthers
Click here for the library