Since shortly before the release of the 2009 Institute of Medicine report, Weight Gain During Pregnancy: Reexamining the Guidelines,1 there has been an explosion of research around the amount of weight a woman gains during her pregnancy. For the mother herself, the more weight she gains during pregnancy, the harder it is to return to her prepregnancy weight. Retaining more weight postpartum, es...

acetylation is a chemical modification of wood to enhance its properties. ir-spectroscopy is a useful technique for proofing chemical bondings in wood and the at-tenuated total reflection (atr) infrared spectroscopy technique was applied as an eas-ier technique over other ir-spectroscopies. in this research, different degrees of acetyla-tion, weight percentage gains (wpgs) in beech and pine min...

BACKGROUND Weight gain in adulthood is now common in many populations, ranging from modest gains in developing countries to a substantial percentage of body weight in some Western societies. To examine the rate of change across the spectrum of low to high-income countries we compared rates of weight change in samples drawn from three countries, Nigeria, Jamaica and the United States. METHODS ...