Glossary

TST – abbreviation for testosterone

gastrointestinal tract (or GI tract) is where we digest our food. It is a long tube that runs from the mouth to the anus. The gastrointestinal tract begins with the mouth and then becomes the oesophagus (food pipe), stomach, duodenum, small intestine, large intestine (colon), rectum and, finally, the anus. It is also called the GI tract.

HSV – Herpes Simplex Virus. HSV-1 is the virus mainly associated with cold sores on your lips or faces. HSV-2 is the virus mainly associated with genital herpes. The viruses are very similar.

expanded access programme (EAP) – a scheme that allows people to access a drug before it has been approved (but when approval is expected).

EAPs are for people urgently need treatment as a life-saving option and who do o have the time to wait for the six months that it takes for approval to be finalised. EAPs are usually available for most HIV drugs after the main studies (phase 3) have been completed.

They were an important early result of community activism. They are also called ‘early access’ or ‘named-patient’ programmes.

free radical – a chemical produced after a molecular reaction, often containing oxygen, that has one ‘free’ unpaired electron on its outer surface. This makes it able to react and damage other cells, and perhaps increase progression of cardiovascular disease, cancers and aging. See antioxidant.