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Science News for February 22, 2002


Physical activity is key to maintaining normal weight after weight loss

A study published in the American Journal of Clinical Nutrition found that women who gained weight after weight loss had significantly lower energy expenditure due to physical inactivity. To match their initial weight, these individuals would need to engage in at least 80 minutes of moderate-intensity physical activity per day.

SourceAmerican Journal of Clinical Nutrition·JournalAmerican Journal of Clinical Nutrition·DateFeb 22, 2002

Moderate alcohol consumption reduces cardiovascular risk in postmenopausal women

A study published in the American Journal of Clinical Nutrition found that moderate alcohol consumption can lower cardiovascular risk factors in postmenopausal women. The researchers observed significant improvements in lipid profiles, with a greater benefit for those starting with higher levels of LDL-cholesterol and triacylglycerols.

SourceAmerican Journal of Clinical Nutrition·JournalAmerican Journal of Clinical Nutrition·DateFeb 22, 2002

Chinese tallow tree invades Texas prairies

The Chinese tallow tree is outcompeting native species in Texas prairies due to its ability to grow quickly and use nitrogen inefficiently. Researchers are studying methods to control the spread of the invasive tree using techniques such as fire, flooding, and fertilization.

Maternal feeding practices are linked to childhood obesity

Research by Spruijt-Metz et al. found that maternal feeding practices are a strong predictor of childhood obesity, with controlling feeding strategies potentially interfering with children's ability to self-regulate their food intake. The study suggests that future obesity prevention efforts should focus on improving parental feeding b...

SourceAmerican Journal of Clinical Nutrition·JournalAmerican Journal of Clinical Nutrition·DateFeb 22, 2002

Mayo Clinic study defines patients at greater risk for developing multiple myeloma and related bone marrow cancers

The Mayo Clinic study found that the risk of progression from MGUS to multiple myeloma or related cancers is approximately one percent per year, with larger M-protein levels increasing the risk. Patients with very small protein levels had a 14% progression rate at 20 years, while those with high levels had a 60% progression rate.

SourceMayo Clinic·JournalNew England Journal of Medicine·DateFeb 22, 2002