Whatever the mechanism, the study does suggest some guidance for people who want to lower their risk of heart disease.

VOA: standard.2010.03.25

The study is new, and he said CDC hasn't issued guidance on the prevention benefit of antiretroviral therapy.

WSJ: AIDS Study Marks Prevention Breakthrough With Antiretroviral Drugs

The government has already issued guidance to English doctors in the wake of the Million Women study .

BBC: NEWS | Health | Experts issue fresh HRT advice

"Following the publication of a US study into birth defects, HFEA's scientific and clinical advances committee reviewed our guidance and advice about the risks of treatment, " he said.

BBC: New guidance on IVF defects risk