Low birth weight has long been known to be risk factor for behavioral problems like ADHD in children. The circumstances at birth, the immaturity of the brain, and social factors have been regarded as possible explanations.
The dissertation shows that iron deficiency during the first half-year of life can be a major cause. Low birth weight as such means that the child is born with smaller reserves of iron, which is a key building block in all cells in the body.
However, it has long been unclear whether the risk of iron deficiency also applies to healthy children with only moderately or marginally low birth weights.
The dissertation studies 285 otherwise healthy children with marginally low birth weight, between 2 000 and 2 500 g. The children were randomly selected to receive or not receive iron supplements during the first half-year of life.
The results showed that those who had been given placebo, compared with those who had received an actaul iron supplement, evinced a clearly higher risk of iron deficiency at the age of 6 months and moreover a four-times-higher risk for behavioral problems at the age of 3 years.
The researchers draw the conclusion that all children with a birth weight under 2 500 g should be offered iron supplements, regardless of whether the cause of their low birth weight was premature birth or poor fetal growth.
The study, which was conducted in Umeå and Stockholm, is directed by Associate Professor Magnus Domellöf in collaboration with researchers from the Karolinska Institutet.Staffan Berglund is a licensed physician and a doctoral candidate at the Department of Clinical Medicine, Umeå University, Section for Pediatrics. He can be reached at tel. +46-90 785 2370; +46-70-395 6767 or
Ingemar Björklund | EurekAlert!
Biofilm discovery suggests new way to prevent dangerous infections
23.05.2017 | University of Texas at Austin
Another reason to exercise: Burning bone fat -- a key to better bone health
19.05.2017 | University of North Carolina Health Care
An international team of physicists has monitored the scattering behaviour of electrons in a non-conducting material in real-time. Their insights could be beneficial for radiotherapy.
We can refer to electrons in non-conducting materials as ‘sluggish’. Typically, they remain fixed in a location, deep inside an atomic composite. It is hence...
Two-dimensional magnetic structures are regarded as a promising material for new types of data storage, since the magnetic properties of individual molecular building blocks can be investigated and modified. For the first time, researchers have now produced a wafer-thin ferrimagnet, in which molecules with different magnetic centers arrange themselves on a gold surface to form a checkerboard pattern. Scientists at the Swiss Nanoscience Institute at the University of Basel and the Paul Scherrer Institute published their findings in the journal Nature Communications.
Ferrimagnets are composed of two centers which are magnetized at different strengths and point in opposing directions. Two-dimensional, quasi-flat ferrimagnets...
An Australian-Chinese research team has created the world's thinnest hologram, paving the way towards the integration of 3D holography into everyday...
In the race to produce a quantum computer, a number of projects are seeking a way to create quantum bits -- or qubits -- that are stable, meaning they are not much affected by changes in their environment. This normally needs highly nonlinear non-dissipative elements capable of functioning at very low temperatures.
In pursuit of this goal, researchers at EPFL's Laboratory of Photonics and Quantum Measurements LPQM (STI/SB), have investigated a nonlinear graphene-based...
Dental plaque and the viscous brown slime in drainpipes are two familiar examples of bacterial biofilms. Removing such bacterial depositions from surfaces is...
23.05.2017 | Event News
22.05.2017 | Event News
17.05.2017 | Event News
23.05.2017 | Physics and Astronomy
23.05.2017 | Life Sciences
23.05.2017 | Medical Engineering