Who may give blood?

"Women Who Don't Give a Crap"

One of the often-bemoaned characteristics of modern life is the absence of leisure time due to chronic “busyness” and the constant connection afforded (or required) by our ever-present digital devices. As a result, time for nonessential reading is often in short supply, and we fiercely guard any minutes that we can steal from the other commitments of life. So when we do find time, what do we re...

The right to give blood.

Give unto others: genetically unrelated cotton-top tamarin monkeys preferentially give food to those who altruistically give food back.

Altruistic food giving among genetically unrelated individuals is rare in nature. The few examples that exist suggest that when animals give food to unrelated others, they may do so on the basis of mutualistic or reciprocally altruistic relationships. We present the results of four experiments designed to tease apart the factors mediating food giving among genetically unrelated cotton-top tamar...

Newborn hearing screens may give a false sense of security.

Certain risk factors result in a higher incidence of delayed-onset hearing loss. Ten subjects who passed auditory brainstem response birth screenings and later returned with bilateral sensorineural hearing loss are examined in this report. Although not all subjects in this report had respiratory distress, this study reveals a high correlation between mechanical ventilation and delayed-onset hea...

Human Periodontium-Derived Stem Cells May Give Rise to Carcinoma

The presence of stem cells in the periodontal ligament was supported by several findings where a opulation of mesenchymal stem cells from the periodontal ligament has been isolated and characterizedshowing the ability to express a variety of stromalcells markers. The in vivo regenerative capacity of human periodontium-derived stem cells (PdSCs) was investigated by using 10-week-old athymic nude...