New Trends in Weight Management

Jeor, Sachiko T. St.

doi:10.1016/s0002-8223(97)00267-8

Cited by 11 publications

(2 citation statements)

References 33 publications

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“…In the third instance, the author provided a definition and then asserted that obesity 'is a definite, morbid process with characteristic symptoms and affects the entire body; and has a known pathology and prognosis'. 20 As we argue in this paper, one may question whether obesity meets this, or other definitions of disease.…”

mentioning

confidence: 90%

Is obesity a disease?

Heshka

Allison

2001

Int J Obes

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mentioning

confidence: 90%

Is obesity a disease?

Heshka

Allison

2001

Int J Obes

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“…Although some studies showed an association between physical activity (PA) and weight loss (13–18), weight loss maintenance (15–23), and less weight gain (19), other studies have found no association between PA and weight maintenance (24–26). Fewer studies have examined change in PA and change in weight, and the findings have been inconsistent (19).…”

Section: Introductionmentioning

confidence: 99%

Physical activity patterns and prevention of weight gain in premenopausal women

et al. 2009

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BACKGROUNDStudies of the association between physical activity (PA) and weight maintenance have been inconsistent.METHODSWe prospectively examined the association between PA patterns and prevention of weight gain among 46,754 healthy premenopausal women, aged 25–43 years in 1989. Participants reported their PA and weight in 1989 and 1997. The primary outcome was gaining >5% of baseline weight by 1997 (62% of the population).RESULTSCompared with women who maintained <30 minutes/day of total discretionary activity over 8 years, women were less likely to gain weight if they sustained 30+ minutes/day (Odds Ratio OR=0.68, 95% confidence interval [CI] 0.64–0.73) or increased to 30+ minutes/day in 1997 (OR=0.64, 95%CI=0.60–0.68). Among women whose only reported activity was walking, risk of gaining weight was lower in those who sustained 30+ minutes/day over 8 years (OR=0.66, 95%CI=0.49–0.91), and brisk walking pace independently predicted less weight gain. For a 30 minutes/day increase between 1989 and 1997, jogging/running was associated with less weight gain than brisk walking or other activities. Greater duration of PA was associated with progressively less weight gain, but even an 11–20 minutes/day increase was beneficial; the benefits appeared stronger among those initially overweight. Sedentary behavior independently predicted weight gain.CONCLUSIONSSustained PA for at least 30 minutes/day, particularly if more intense, is associated with a reduction in long-term weight gain, and greater duration is associated with less weight gain. Sedentary women of any baseline weight who increase their PA will benefit, but overweight women appear to benefit the most.

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Foam extrusion of LDPE with solid phase CO₂ as blowing agent

Hopmann

Hendriks

Feldges

2015

Polymer Engineering & Sci

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Physical foaming usually requires special metering equipment to inject the blowing agent at high pressures. In this study, low density polyethylene (LDPE) was foamed in the extrusion process using dry ice as physical blowing agent. The blowing agent was metered in form of pellets over the hopper. To determine relevant process parameters and improve the understanding of the process a melting model is applied. The influence of the formation of a melt film and melt pool on the dissolution of the blowing agent is discussed. The theoretical considerations are validated in a design of experiment study. As a result, the efficiency of the process is especially affected by the throughput rate, granules temperature, and blowing agent concentration. Further varied parameters are the barrel temperature in the melting zone and diameter of the dry ice pellets. Fast melting and pressure build-up were shown to reduce blowing agent losses. POLYM. ENG. SCI., 55:2821-2828

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New Trends in Weight Management

Cited by 11 publications

References 33 publications

Is obesity a disease?

Is obesity a disease?

Physical activity patterns and prevention of weight gain in premenopausal women

Foam extrusion of LDPE with solid phase CO₂ as blowing agent

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New Trends in Weight Management

Cited by 11 publications

References 33 publications

Is obesity a disease?

Is obesity a disease?

Physical activity patterns and prevention of weight gain in premenopausal women

Foam extrusion of LDPE with solid phase CO2 as blowing agent

Contact Info

Product

Resources

About

Foam extrusion of LDPE with solid phase CO₂ as blowing agent