Temperature and the seasonality of births.
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Daily dietary intakes of two naturally occurring long-lived radionuclides, 232Th and 238U, were estimated for the adult population living in a number of Asian countries, using highly sensitive analytical methods such as instrumental and radiochemical neutron activation analysis (INAA and RNAA), and inductively coupled plasma mass spectrometry (ICP-MS). The Asian countries that participated in the study were Bangladesh (BGD), China (CPR), India (IND), Japan (JPN), Pakistan (PAK), Philippines (PHI), Republic of Korea (ROK) and Vietnam (VIE). Altogether, these countries represent more than 50% of the world population. The median daily intakes of 232Th ranged between 0.6 and 14.4 mBq, the lowest being for Philippines and the highest for Bangladesh, and daily intakes of 238U ranged between 6.7 and 62.5 mBq, lowest and the highest being for India and China, respectively. The Asian median intakes were obtained as 4.2 mBq for 232Th and 12.7 mBq for 238U. Although the Asian intakes were lower than intakes of 12.3 mBq (3.0 ug) 232Th and 23.6 mBq (1.9 ug) 238U proposed by the International Commission on Radiological Protection (ICRP) for the ICRP Reference Man, they were comparable to the global intake values of 4.6 mBq 232Th and 15.6 mBq 238U proposed by the United Nation Scientific Commission on Effects of Radiation (UNSCEAR). The annual committed effective doses to Asian population from the dietary intake of 232Th and 238U were calculated to be 0.34 and 0.20 microSv, respectively, which are three orders of magnitude lower than the global average annual radiation dose of 2400 microSv to man from the natural radiation sources as proposed by UNSCEAR.
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This article looks at the lessons learned in reviewing two long-running international campaigns, one to promote breast-feeding in Ghana, and the other against the use of child labor in the carpet industry in India. In particular, it focuses on understanding the nature of campaigns and what makes them effective. It asserts that campaigns are not linear or mechanistic, but need to be understood as passing through various stages and requiring different kinds of action at different levels and at different times. The variety of work and skills thus required makes it vital that the various organizations involved collaborate with each other. In particular, grassroots mobilization has a role that is often forgotten in bringing about sustained policy change.
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Graduate Turkish midwives were trained in triage rules for determining family planning home visit frequency based on risk of couples. In a sample of 542 couples followed for six months, modern contraceptive use increased 22 per cent among high-risk and about 15 per cent among moderate- and low-risk couples. After making assumptions about the fecundity, contraceptive success, and pregnancy complications, the estimated average cost per complication averted was $61 for high-risk, $177 for moderate-risk and $526 for low-risk couples.
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