A new model is proposed for the mechanism of cluster formation and then penetration of the confining nuclear interaction barrier in radioactive nuclei. The cluster formation is treated as a quantum-mechanical fragmentation process and the WKB penetrability is found analytically. Applications of the model are made to ' C decay of Ra and Ne decay of~U. The branching ratio for ' C decay of U is also calculated and is found to be incredibly small as compared to that for its "Ne decay.

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Early initiation of breastfeeding within first hour of birth, exclusive breastfeeding for the first six months followed by continued breastfeeding for up to two years and beyond with appropriate complementary foods after completion of 6 months is the most appropriate feeding strategy. Micro-nutrient supplementation in infants, and adequate nutrition and anemia control for adolescent girls, pregnant and lactating mothers is advocated. Concepts and need for human milk banks in India has also been incorporated.