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Science News for October 14, 1999


Clinical trial demonstrates that bone marrow transplant followed by vitamin A-derivative treatment improves survival from a major childhood cancer

A randomized clinical trial showed that combining bone marrow transplant and high-dose chemoradiotherapy significantly improves disease-free survival in children with neuroblastoma. The addition of vitamin A-derivative treatment further increases survival rates by nearly three-fold.

SourceUniversity of California - San Francisco·JournalNew England Journal of Medicine·DateOct 14, 1999

Vegans likely short on calcium, experts say

A study by Purdue University found that vegan diets lack sufficient calcium, even with dairy-free alternatives. Experts recommend drinking milk or adding fortified foods/supplements to meet the daily calcium requirement. Vegans may need to consume large amounts of calcium-rich vegetables like broccoli and kale to get enough.

SourcePurdue University·JournalAmerican Journal of Clinical Nutrition·DateOct 14, 1999

Sea level rise behind coastal tree deaths

A University of Florida study found that rising sea levels are causing cabbage palms and other coastal trees to die due to saltwater exposure. The phenomenon may be more immediate than thought, with small increases in sea level affecting large areas of flat coastline on the west coast.

SourceUniversity of Florida·JournalEcology·DateOct 14, 1999