MONDAY, Jan. 12 (HealthDay News) -- Two studies looking at the same group of women found that while hormone therapy is linked with brain shrinkage, it does not seem to be associated with early signs of cerebrovascular disease.

This suggests that hormone therapy's...

MONDAY, June 23 (HealthDay News) -- An immune molecule called HLA-G dimer plays a powerful role in preventing the immune system from rejecting transplanted organs and tissue, Medical College of Georgia researchers say.

They found that HLA-G helped prolong skin graft...

THURSDAY, Feb. 12 (HealthDay News) -- Cultural factors appear to influence whether smokeless tobacco can help smokers quit cigarettes, contends a new study.

In Sweden, many smokers try to quit smoking by using snus, a form of moist, powdered tobacco that's placed...