"Through studying elephants every minute of every day from infancy to adulthood, I have learned about their interior lives," says Dame Sheldrick, the first person to successfully raise an orphaned elephant from birth.
Men at every age, from infancy onward, are at risk, with a second rise in incidence occurring after age 65.
The program's "abecedarians" (children learning their ABC's) came from poor families and received a full day of care every weekday from infancy to the age of five.
In both studies the children's blood lead was measured every year from infancy to age 6.
Because each mother infant pair was followed up every month in infancy, and each visit included a 7-day morbidity recall, an infant could contribute up to 84 days to the study base.
Christopher Feola, chief of technology at Belo Interactive, the online division of the Belo Corporation of Dallas, said a period of overreaching attends the infancy of every new technology.
A 2004 survey by the National Sleep Foundation found that on average, children in every age group from infancy through fifth grade failed to get even the low end of the recommended range of sleep.
In the New Delhi birth cohort (12, 13), children were measured at birth and every 6 months throughout infancy, childhood, and adolescence.
Throughout the first years of the children's lives, all families were visited, both on a routine (up to every 6 weeks during infancy and at least quarterly until age 5 years) and ad hoc basis, by the study team, which consisted of health visitors and pediatricians.
Throughout the first years of the children's lives, all families were visited both on a routine (up to every six weeks during infancy and at least quarterly until age five years) and on an ad hoc basis by the study team, which consisted of health visitors (nurses who visited families at home) and paediatricians.
