Browsing by Author "Schiff, Isaac"
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Effects of Postmenopausal Estrogen Replacement on the Concentrations and Metabolism of Plasma Lipoproteins
Walsh, Brian; Schiff, Isaac; Rosner, Bernard; Greenberg, Louise; Ravnikar, Veronica; Sacks, Frank (Massachusetts Medical Society, 1991-10-24)BACKGROUND. Postmenopausal estrogen-replacement therapy may reduce the risk of cardiovascular disease, and this beneficial effect may be mediated in part by favorable changes in plasma lipid levels. However, the effects ... -
Environmental Organochlorines and Semen Quality: Results of a Pilot Study
Hauser, Russ B.; Altshul, Larisa M.; Chen, Zuying; Ryan, Louise Marie; Overstreet, James; Schiff, Isaac; Christiani, David C. (National Institute of Environmental Health Sciences, 2002)There have been numerous studies that suggest that sperm concentrations (sperm counts) are declining in men. However, other studies suggest that sperm counts are not declining or may be increasing in some areas. Although ... -
Impact of Seasonal Variation, Age and Smoking Status on Human Semen Parameters: The Massachusetts General Hospital Experience
Chen, Zuying; Godfrey-Bailey, Linda; Schiff, Isaac; Hauser, Russ B. (BioMed Central, 2004)Background: To investigate the relationship of human semen parameters with season, age and smoking status. Methods: The present study used data from subjects recruited into an ongoing cross-sectional study on the relationship ...