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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 ?
In order to contrast diverse beliefs or certainties about our finitude, I will shed light on the remarks that Antonio Machado made on the belief in one's own death by taking as reference Jose Ortega y Gasset's distinctions between "living faith" and "dead faith," and above all, between ideas and beliefs.
That physical objects exist is one of the certainties which "constitute what we mean by reality" (Le Roy Finch, 1977, p.
The issue that is the focus of Quitting Certainties concerns the inability of the traditional Bayesian updating rule to properly model claims that move from certainty to uncertainty.
We might want to describe some people's certainties as prejudices, but we usually see our own in a positive light.
Education or life experience may teach what Socrates meant: that the only thing to be certain of is that there are no certainties, that there are two sides to every question and more than one road to God, and that the honest admission in any disagreement is: ' .
We long to abolish the unknown and live only with certainties, but our certainties can soon turn to prejudice and intolerance.
Occasionally, ideas that seem open to challenge are similarly certainties.