Ocean fish energy recovery rates are falling

Are Alcohol-Related Acute Surgical Admission Rates Falling?

BACKGROUND Alcohol-related admissions (ARA) represent a significant burden on hospital resources. The study objectives were to assess alcohol-related acute surgical admissions to a District General Hospital over a 5-year period, to determine the cost of these admissions and to consider strategies to affect future admission rates. METHODS A prospective observational study was completed from Oc...

Teenage fertility rates falling in South Africa.

To the Editor: Much noise has recently been made in the popular media suggesting a link between the launch of the Child Support Grant (CSG) and an apparent rise in teenage fertility. This perception persists in spite of a detailed study commissioned by the Department of Social Development1 that found no evidence of ‘perverse incentives’ for childbearing associated with the CSG; a second report2...

Marine reserve recovery rates towards a baseline are slower for reef fish community life histories than biomass.

Ecological baselines are disappearing and it is uncertain how marine reserves, here called fisheries closures, simulate pristine communities. We tested the influence of fisheries closure age, size and compliance on recovery of community biomass and life-history metrics towards a baseline. We used census data from 324 coral reefs, including 41 protected areas ranging between 1 and 45 years of ag...

Decline in incident coronary heart disease: why are the rates falling?

In the fall of 1979, the National Heart, Lung, and Blood Institute held a conference on the decline in coronary heart disease (CHD) death rates. It was apparent that in the previous 10 to 15 years, the epidemic crested and began to fall.1 The reasons for this decline were unclear, but many hypotheses were offered. Explanations ranged from death classification artifact, new coronary care units, ...

Are Abnormal Yolk Sac Characteristics Important Factors in Abortion Rates?