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Science News for September 2, 2005


Is rheumatoid arthritis becoming milder?

Researchers in The Netherlands found a positive trend in rheumatoid arthritis disease activity over the last decade, coinciding with more aggressive treatment strategies. The study showed that patients diagnosed with RA within the last ten years had less severe disease activity and a more favorable course of their disease.

SourceWiley·JournalArthritis & Rheumatism·DateSep 2, 2005

Study finds mixed results on teen sexual behavior from abstinence-only intervention

A study found that an abstinence-only sex education program increased teens' knowledge of HIV/STDs and their commitment to abstinence. However, it had mixed effects on sexual behavior, with no impact on the likelihood of having sex or using condoms. The program may reduce casual sex encounters among sexually active students.

SourceCase Western Reserve University·JournalAmerican Journal of Health Behavior·DateSep 2, 2005

Joint pain and estrogen deprivation

Recent evidence suggests a link between estrogen deprivation and joint pain, particularly in women undergoing hormone therapy for breast cancer. Studies have shown that aromatase inhibitors and other estrogen-depleting treatments can increase the risk of musculoskeletal symptoms, including joint pain.

SourceWiley·JournalArthritis & Rheumatism·DateSep 2, 2005

New insights into the software of life

The FANTOM consortium's findings provide a major step towards identifying all protein building blocks, using multiple mechanisms to produce different forms of proteins in mammals. The research also explores the importance of non-coding RNA in development and evolution, revealing why complex organisms evolved beyond simple genes.

SourceResearch Australia·JournalScience·DateSep 2, 2005