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19868
Osteocalcin may well be the answer to the startling, nearly three-times-stronger glucose control observed in downhill walkers, compared with people walking uphill (SN: 12/11/04, p. 380). The eccentric exertion of downhill walking could be stimulating more osteocalcin release from osteoblasts. Members of our burgeoning prediabetic civilization may be inspired to generate their own osteocalcin by […]
By Science News -
Health & MedicineSerotonin lower in shift workers
Workers who rotate between day and night shifts have less of the brain chemical serotonin than day shift workers do.
By Brian Vastag -
EarthBeware summer radon-test results
Measuring household radon levels in summer may give misleadingly low results.
By Janet Raloff -
19867
Based on the Environmental Protection Agency’s Web resources on radon, I find that the decreases in radon levels in the summer are unlikely to be caused by a lack of air currents from less temperature differential in houses.