Reducing aortocaval compression: how much tilt is enough?

Escalation: How Much is Enough?

often the subject of fierce debate. Cost increases are determined by dynamic relationships between many factors, including acts of nature, interest rates, oil prices, global commodity markets, wars, wage rates, and the overall health of the economy, as well as supply and demand for the required goods or services. How much escalation is enough? Are the recent price increases temporary aberration...

How much REST is enough?

Recent papers published in Nature by Guardavaccaro et al. and Westbrook et al. describe a nexus of two masters of negative regulation of protein levels. Both of these studies establish that the transcriptional repressor REST/NRSF is regulated by the highly versatile ubiquitin protein ligase (E3) SCF(beta-TrCP), adding a new dimension to the relationship between the ubiquitin-proteasome system a...

Protein for preterm infants: how much is needed? How much is enough? How much is too much?

Preterm infants require considerably more protein to achieve normal intrauterine growth rates than is commonly fed to them during their first postnatal days. Continuing protein nutrition to maintain normal growth rates often is not achieved until several weeks after birth. Most very preterm infants do not receive the protein necessary to produce the 2-3 kilograms of body mass over a 12-16 week ...

Neonatal workforce: how much is enough?

How Much Vitamin D Is Enough?

of alendronate and vitamin D3 on fractional calcium absorption in a double-blind, randomized, placebo-controlled trial in postmenopausal osteoporotic women. the role of vitamin D and calcium in osteoporosis management: an expert roundtable discussion. calcium absorption in severe vitamin D deficiency. The effect of vitamin D on calcium absorption in older women. A, et al. Vitamin D supplementat...