Is There a Positive Side to T Cell Exhaustion?

SnapShot: T Cell Exhaustion

O18: Vulnerable Road Users - Is There a Way to Protect? 

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But there is a practical side.

Is there still a negative side to noninvasive ventilation?

Negative pressure ventilation, the intermittent application of subatmospheric pressure around the chest and abdomen to assist breathing, is founded on sound physiological principles. As long as atmospheric pressure is maintained at the mouth and nose (and the upper airway remains patent), the negative peri-thoracic and-abdominal pressure increases the transpul-monary gradient, expanding the che...

Cognitive aging: is there a dark side to environmental support?

It has been known for some time that memory deficits among older adults increase when self-initiated processing is required and decrease when the environment provides task-appropriate cues. We propose that this observation is not confined to memory but can be subsumed under a more general developmental trend. In perception, learning or memory, and action management, older adults often rely more...