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confidence in a certain event or outcome occurring; a subjective judgment by a decision maker. The sure thing, the guaranteed happening, the certain winner.

certainty equivalent
the estimated value of a doubtful happening if it happened; used to help decision making in risky ventures.
certainty required
refers to the making of a diagnosis. The criterion on which a decision can be made about how far to go in the investigation of a case is the degree of certainty required.

Patient discussion about certainty

Q. Can certain fruits/veggies make Ritalin less effective? I've heard this about oranges and lemons - is it true? How about other produce? How much does it weaken Ritalin? Will taking a higher dose resolve the problem? (I currently take 10mg morning and 10mg afternoon)

A. As far as I know, oranges and lemons don't affect Ritalin. However, taking the Ritalin with food may increase the amount of drug that actually get into your body, but it depends on the specific formulation (e.g. Concerta isn't affected by food). One that takes Ritalin should avoid alcoholic drinks, since it may cause decrease activity of the brain, and also should avoid herbs of several kinds (yohimbine and ephedra).

THIS IS ONLY A GENERAL ADVICE - I haven't seen you or checked you, so if you have any concerns than you should consult a doctor.

Q. Is there a relation between certain types of allergies and graves? I suffer from graves and have been suffering from allergies since I was real young. Are these two related somehow?? anyone else suffers from both?

A. Not that I know about. However, allergy is quite common, and Graves' disease is also not a rare disease, so it's not impossible for the two to appear in the same person.

Take care,

Q. Are there are certain types of people that have a stronger tendency to become alcoholics?

A. the important part is to remember that you dont really know if you have a tendency to become an alcoholic until you are one, so the safe bet is to just stay away from it and no tell yourself that "it could never happen to you".

More discussions about certainty
References in periodicals archive ?
Another manifestation of incredible certitude is that governments produce precise official forecasts of unknown accuracy.
By and large, his choices were called to be micromanagers of orthodoxy and orthopraxy, a shortcut back to a clerical church and the absolute certitudes of being the one true church protecting God's truths.
Among specific topics are Hindu teaching on conflict and peacemaking, conflict resolution and religious dimensions of armed conflicts, Muhammad Khatami's utopian quest for a better world, Christianity and South Africa's Truth and Reconciliation Commission, and Jimmy Carter as a man of political destiny and theological certitude.
With mind-boggling certitude she concluded that "in reality, the elitism represented by the Olympics seems to come too much at the expense of grassroots sport, grassroots culture and basic social fairness" (The Journal, August 3).
In The Rhetoric of Certitude, Gary Tandy has produced a detailed study of the nonfiction prose rhetoric of C.
Noncognitivists think that normative judgments (primarily) express conative or "desire-like" attitudes rather than beliefs, so the challenge is to account for the fact that normative certitude varies in degrees.
The researchers hopefully conclude, "If political differences are traceable in part to the fact that people vary in the way they physically experience the world, certitude that any particular worldview is objectively correct may abate, lessening the hubris that fuels political conflict.
Besides, let us not lose sight of the sanctimonious hypocrisy that characterises this issue, since one can say with some certitude, that many of those who are now disapproving of her behaviour on the show and equating it with an insult for Pakistan would have regularly watched the programme," it added.
THE atheism to which Brother O'Neill clings so tenaciously ("Atheists not to blame for Christianity's crisis", Echo, December 15) has no more certitude than any of the other "isms" and is nowhere near as pure and unsullied as he likes to pretend.
Hard as war is - and Afghanistan and Iraq have been terribly hard, as have the conflicts that preceded them - and as controversial, we have our Constitution and our certitude on our side.
In this article, he suggests that absolute certitude about the potential abortifacient effects of EC is not needed, because enough moral certitude exists to make a sound moral decision.
Powell evaluates this doctrine as he would the conservative Protestant doctrine of biblical inerrancy: from the standpoint of William Abraham's canonical theism, which distinguishes the canonical confession of ecclesial truth from the epistemological methods by which certitude is given.