J curve relationship

J curve relationship2016-12-28T00:52:11+00:00

J curve relationship

J curve relationship image from New Medical Terms

J curve relationship

EPIDEMIOLOGY

A relationship between the morbidity and/or mortality from a particular process or activity, in which adverse effects initially fall to a nadir, after which they rise.

The classic J curve occurs with alcohol–especially wine–consumption, in which cardiovascular mortality is higher in non-drinkers than in those who consume one or two glasses of wine per day. When alcohol consumption exceeds 50 g/day, the health benefit of alcohol consumption disappears (see graph) and the mortality related to increased alcohol consumption rises.

J curve relationships have also been described for blood pressure–those with orthostatic hypotension have an increased mortality*, fat consumption, cholesterol levels, and body weight–especially extreme underweight 

*www.medscape.com/viewarticle/717619

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