Reuters Health News Summary

Following is a summary of current health news briefs.

Bird flu studies, halted over terrorism fear, to resume

LONDON (Reuters) - Scientists around the world declared an end on Wednesday to a moratorium on researching mutant forms of the deadly H5N1 bird flu that had raised international biosecurity concerns. Announcing their decision to resume what they say are risky but essential studies of the avian flu strain, the scientists said the work would only be carried out in the most secure sites in countries that agree it can go ahead.

Vanda sleep drug effective in second late-stage trial 2013-01-23T124913Z_1_BRE90M0NQ_RTROPTC_0_US-VANDA-TRIAL-SLEEPDR UG.XML () -

Regular aspirin use tied to age-related vision loss

NEW YORK (Reuters Health) - Taking at least one aspirin every week is linked to the development of age-related vision loss, according to a new study. The Australian researchers, however, caution that there's still not enough evidence to say taking the popular pain reliever leads to age-related macular degeneration, which is the leading cause of blindness in older people.

Clearer food labels might help with healthy food choice: study

2013-01-24T003702Z_2_BRE90M1GC_RTROPTC_0_US-FOOD-LABELS.XML () -

FDA approves new use for Roche's Avastin in colon cancer treatment 2013-01-23T232909Z_1_BRE90M1MP_RTROPTC_0_US-ROCHE-AVASTIN-FDA.X ML () -

Ob-gyns sound alarm on "contraceptive sabotage"

NEW YORK (Reuters Health) - Doctors should ask teen girls and women whether their partners are trying to force them to get pregnant or otherwise "reproductively coercing" them, according to a group of ob-gyns. That could include pressuring women to have sex - possibly without a condom or other birth control, forcing them to continue (or end) a pregnancy or intentionally exposing them to sexually transmitted infections, according to The American College of Obstetricians and Gynecologists (ACOG).

U.S. foes of legal pot focus on risks to the brain 2013-01-23T194758Z_1_BRE90M1CI_RTROPTC_0_US-USA-MARIJUANA-SCIEN CE.XML () -

Quest Diagnostics expects reimbursement cuts to hurt in 2013 2013-01-23T173320Z_1_BRE90M14J_RTROPTC_0_US-QUESTDIAGNOSTICS-RE SULTS.XML () -

Study casts doubt on link between cannabis, teen IQ drop

SYDNEY (Reuters) - A landmark study suggesting a link between cannabis use and a drop in teenage IQ may not have gone far enough in its research, with any falls in IQ more likely due to lower socioeconomic status than marijuana, according to a Norwegian study. The latest work, which appears in the journal PNAS, Proceedings of the National Academy of Sciences of the United States of America, also suggests that different policy steps might be needed in that case.

WellPoint expects states to expand Medicaid 2013-01-23T232548Z_4_BRE90M0UB_RTROPTC_0_US-USA-HEALTHCARE-MEDI CAID.XML () -