Food and Drug Administration (FDA) – the US FDA is the government organisation that is responsible for approving and regulating human and animal medicines in the US. It is also responsible for the safety of other products including foods, cosmetics and tobacco.
See: www.fda.gov
virion – the name for a virus when it is not inside a cell, for example when new viral material leaves a CD4 cell and is floating in blood or plasma
null hypothesis – in a study this sometimes just refers to the hypothesis, but more specifically it refers the idea that any difference between 2 study groups has only occurred by chance.
uneven distribution – a term in statistics where most results fall to the left (positive skewness) or right (negative skewness) of the middle of the range.
dronabinol – medicine made from the active ingredient in marijuana. Dronabinol is approved in the US but is no longer available in the UK.