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Science News for December 16, 1998


Blocking Sex Hormones Might Help Restore Immunity

Researchers have found that temporarily blocking sex hormones can boost the immune system of people with HIV, cancer, and those who have received immunosuppressive treatments. The study suggests that drugs that suppress sex hormone production may help restore immune function and combat diseases.

SourceNew Scientist·JournalThe New Scientist·DateDec 16, 1998

Low Birth-Weight Risk Begins Early

Researchers reviewing thousands of ultrasound scans found that many cases of premature delivery and poor fetal growth are likely determined by the first 12 weeks of pregnancy. This suggests waiting until after conception to prepare for motherhood may be too late, highlighting a potential benefit from earlier intervention.

SourceCornell University·JournalNew England Journal of Medicine·DateDec 16, 1998

Possible Breast Carcinogen Found In Human Milk

Aromatic amines, used in industrial processes, have been detected in human milk, raising concerns about breast cancer risk and infant exposure. The study's findings suggest that breast ductal epithelial cells are also exposed to these substances, highlighting the need for further investigation.

SourceAmerican Chemical Society·JournalChemical Research in Toxicology·DateDec 16, 1998

Was The Universe In A Spin Before It Began Expanding?

Astronomers believe the Universe has expanded since the big bang about 15 billion years ago, but a new theory proposes that it may have rotated like a merry-go-round for an indefinitely long period. If true, this rotation could have suddenly changed into expansion thanks to a 'vacuum phase transition.'

SourceNew Scientist·JournalThe New Scientist·DateDec 16, 1998