Barbara Hyman

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A review of the literature supports the concept that serum levels of corticosteroids are elevated during pregnancy. Even a concurrent increase in cortisol-binding globulin (CBG) does not entirely neutralize the increased levels of cortisol. Thus, body tissues are exposed to more free cortisol than in the nonpregnant state. After delivery there is a rapid(More)
Three cases of chronic progressive external ophthalmoplegia demonstrated ragged-red fibers. Histochemical stains showed that the ragged-red fiber appearance was produced by abnormal mitochondria in the muscle. Electron microscopic studies demonstrated the ultrastructural origin of the intramitochondrial inclusions seen in ragged-red fibers. The associated(More)
Hypertension affects approximately fifty million Americans. About 80% of hypertensive patients are aware that their blood pressure is elevated. While more than 50% are on medication, only about 20% of all hypertensive adults are controlled at normotensive levels. Ophthalmologists should be aware of the seriousness of hypertension because it affects many of(More)