Holding your breath for longevity

Don't hold your breath: anoxic convulsions from coupled hyperventilation-underwater breath-holding.

The Medical Journal of Australia ISSN: 0025729X 7 June 2010 192 11 663-664 ©The Medical Journal of Australia 2010 www.mja.com.au Lessons from Practice he seizure-like activity that occurred in the two university students was probably convulsions secondary to cerebral hypoxia induced by breath-holding. Anoxic convulsions result from interruption of the oxygen supply to metabolically active neuro...

The limits of breath holding.

Breath-holding and its breakpoint.

This article reviews the basic properties of breath-holding in humans and the possible causes of the breath at breakpoint. The simplest objective measure of breath-holding is its duration, but even this is highly variable. Breath-holding is a voluntary act, but normal subjects appear unable to breath-hold to unconsciousness. A powerful involuntary mechanism normally overrides voluntary breath-h...

Breath-holding spells in infants.

QUESTION I have children in my clinic who experience seizurelike episodes in which they cry and hold their breath to the point of cyanosis and loss of consciousness. Their examination or investigation findings are normal and referral to a pediatric specialist results in no further investigation. Are breath-holding spells common, and what type of investigation is needed? ANSWER A breath-holdin...

Hold your breath!

R egeneration, the process by which an animal restores lost cells or body parts, occurs throughout the animal kingdom, including vertebrates, planarians and cnidarians such as hydra (Tanaka & Reddien, 2011). However, the ability to regenerate varies between species, and within a species it can be different for different body parts. Salamanders, such as axolotls and newts, possess the most impre...