Research Briefs

Lower-risk HIV strain found 
People infected with a mutated HIV strain, transmitted from those who have a genetic advantage to control the virus, have better survival rates, according to South African research. The study involved 24 people newly infected with HIV (PLoS Pathogens Online 2008).

Milk powder link to lung function
Occupational exposure to milk powder inhalation doubles the risk of respiratory problems, according to UK research, which focused on workers in a Thai baby milk factory (Eur Resp J Online 2008).

Polar bear clue for osteoporosis
Pregnant polar bears could help offer an insight into preventing osteoporosis, UK research suggests. Blood samples taken during hibernation showed they are able to increase rates of bone production (Comp Biochem Physiol 2008; 149: 203-208).

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