Now a young man in the prime of his life is dead, and no-one has given us any official advice or information.
That's the official advice from the committee given to every member.
The official advice is pretty clear: women should drink no more than 2-3 units a day.
"We can offer you clear and official advice: don't believe any of these diets," a statement on the clinic's Web site said.
In contrast, the government's official advice is that HS2 will deliver a return of between £1.80 and £2.50 for every pound invested.
Unfortunately and unknown to Duncan, the official advice on which this was based on simply wasn't true.
His rapid shifts in policy have been marked by refusal to consult and a preference for ignoring official advice.
Therefore I would warn against trying to give the actors who are represented by it too much official advice as to what they ought to do.
For those who are left to their own devices, there is official advice from New York City.
I sought out competent legal and official advice.