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Human lungs successfully grown in a lab for the first time
Scientists at the University of Texas Medical
Branch in Galveston have succeeded in growing human lungs in the laboratory,
using components from the lungs of deceased children.Stem cell specialists have
been working on growing lung tissue for some years, but the lung is a complex
organ, which presents more problems than regenerating other organ tissue, such
as human skin.
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New vaccine delivery method 'boosts immune response'
Researchers from the Massachusetts Institute of
Technology have created a way of delivering vaccines directly to lymph nodes in
the body - where large populations of immune cells are present. The
investigators say distributing vaccines to such areas could help stimulate the
body's immune system to attack tumors and enable better delivery of HIV
vaccines.
- Low levels of omega-3 may be behind postpartum depression. "The literature
shows that there could be a link between pregnancy, omega-3 and the chemical
reaction that enables serotonin, a mood regulator, to be released into our
brains,
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