Sentences with phrase «decreases the oxygen level»

Doing so increases the heat level and decreases the oxygen level under that blanket, and both are increased risks for Sudden Infant Death Syndrome (SIDS).
By the 1950s, a declining mayfly population in the western basin of Lake Erie indicated widespread anthropogenic eutrophication (human activities resulting in more nutrients such as phosphorus in the water, leading in turn to decreased oxygen levels).
«Decreased oxygen levels could present hidden threat to marine species.»
Unfortunately, the swelling creates pressure within the skull — there's nowhere for the brain to expand to — decreasing oxygen levels and blood to the brain.»
Flea infestations on small or weak pets can cause life - threatening anemia (iron - deficiency anemia, decreased red blood cells circulating through the blood, which means a decreased oxygen level in the blood).
In other areas, increased upwelling can lead to stimulated productivity, which can also lead to more organic carbon entering the deep ocean, where it is consumed, decreasing oxygen levels (medium confidence).

Not exact matches

This increases blood flow and oxygen intake, while at the same time decreases inflammation, which all helps the body to perform at a more optimal level.
The level of oxygen being carried throughout the body decreases in proportion to the amount of hemoglobin converted to methemoglobin.
As the oxygen level decreases, the baby is suffocated.
It's also important to note that a frequently cited 2009 study published in the journal Pediatrics found that healthy newborns sitting in a car seat had significantly decreased blood oxygen levels compared to those laying flat and the researchers concluded that infant car seats should be used for car travel and not as a replacement for a flat sleeping surface.
They found that exercise may help cognition by increasing blood and oxygen to the brain, increasing levels of norepinephrine, and endorphins to decrease stress and improve mood, and increasing growth factors that help create new nerve cells and support synaptic plasticity.
According to Dr. Jennifer Peterson, from the Cleveland Clinic Children's, «Kangaroo care can actually decrease the heart rate, improve the breathing pattern, improve the oxygen levels in the premature babies.
This can lead to increased carbon dioxide levels and decreased oxygen.
Apnea can cause the «B,» bradycardia, which is a decrease in the baby's blood oxygen level and a heart rate under 80 beats per minute.
Transcutaneous oxygen levels do not decrease indicating that oxygen saturation is not compromised».
There's an oxygen depletion sensor that turns off the flame if oxygen levels decrease.
Keeling has documented a decrease in oxygen levels that is due to fossil - fuel combustion, which uses up oxygen and releases CO2.
Scientists say reserves can help marine ecosystems and people adapt to five key impacts of climate change: ocean acidification; sea - level rise; increased intensity of storms; shifts in species distribution, and decreased productivity and oxygen availability.
But the balance between DVMs and the limited deep - water oxygen supply could be easily upset, Bianchi said — particularly by climate change, which is predicted to further decrease levels of oxygen in the ocean.
Zeroing in on NANOG, the scientists found that low oxygen conditions increased NANOG's mRNA levels through the action of HIF proteins, which turned on the gene for ALKBH5, which decreased the methylation and subsequent destruction of NANOG's mRNA.
When the researchers manipulated the cell's genetics to increase levels of ALKBH5 without exposing them to low oxygen, they found this also decreased methylation of NANOG mRNA and increased the numbers of breast cancer stem cells.
The researchers undertook the study in light of concerns about decreasing levels of oxygen in coastal waters worldwide, and how the growing prevalence of low - oxygen «dead zones» might affect populations and management of blue crabs and other coastal marine life.
When they restored normal nitric oxide levels by having mice breathe in the short - lived gas — as patients have done in clinical trials — cell adhesion did not increase when oxygen levels decreased.
A new study found that vulnerability of deep - sea biodiversity to climate change's triple threat — rising water temperatures, and decreased oxygen, and pH levels — is not uniform across the world's oceans.
Increased vegetation, lower oxygen levels and decreased water clarity can adversely impact recreational fish, such as yellow perch, bass and crappies.
By early August, concentrations decreased until they returned to background levels when normal oxygen conditions returned in late September.
Importantly, our study suggests that, by focusing research exclusively on adults, it is likely that we will underestimate the number of species vulnerable to decreasing levels of oxygen in the marine environment.»
«We already know there are physiological benefits in the newborns when they are held skin - to - skin,» Dr. Isaza said, such as stabilization of heart rate, breathing patterns and blood oxygen levels, gains in sleep time and weight, decreased crying, greater breastfeeding success and earlier hospital discharge.
The researchers, thus, conclude that an increase in carbon dioxide levels caused by extremely strong vulcanism was accompanied by a decrease of atmospheric oxygen.
Although the Cambrian explosion generated a large number of new phyla of Earth - type life, it actually crashed in a mass extinction not long after it began when oxygen levels fell and hydrogen sulphide levels rose again so that biodiversity at the family, genus, and species levels was decreasing around 515 million years ago (Gill et al, 2011; and Michael Marshall, New Scientist, January 5, 2011).
Reactive oxygen species (ROS) induce cellular damages at different levels (proteins, DNA, and lipids) which increase the body susceptibility to noxious injuries with the final result to accelerate aging and decrease lifespan.
The most common animal model used to study OSA today is intermittent hypoxia (IH) which relies solely on exposing animals to a decrease in blood oxygen levels.
Resting - state functional magnetic resonance imaging allows investigating whole - brain connectivity changes during pharmacological modulation of the level of consciousness.Low - frequency spontaneous blood oxygen level - dependent fluctuations were measured in 19 healthy volunteers during wakefulness, mild sedation, deep sedation with clinical unconsciousness, and subsequent recovery of consciousness.Propofol - induced decrease in consciousness linearly correlates with decreased corticocortical and thalamocortical connectivity in frontoparietal networks (i.e., default - and executive - control networks).
The regions that comprise the functionally connected resting - state default - mode network (DMN) in adults appear to be the same as those that are characterized by task - induced decreases in blood - oxygen - level - dependent (BOLD) signal.
cardiomyocytes exhibit decreased peak shortening and maximal velocity of shortening / relengthening, prolonged time - to - 90 % relengthening, reduced intracellular calcium release upon electrical stimulus associated with a slowed intracellular calcium decay rate, and significantly higher oxygen levelse, and significantly higher oxygen levels
Likewise for the behavioural results, we assessed a potential association between averaged blood oxygen level - dependent signals in the regions of interest where individuals with ASD showed significantly decreased social minus belief - / belief minus control activity compared with typically developing participants, and clinical information of interest, such as the Social Responsiveness Scale score.
Hypoxia, or low oxygen, is an environmental phenomenon where the concentration of dissolved oxygen in the water column decreases to a level that can no longer support living aquatic organisms.
Besides that, the size of mitochondria (the mini-factories within your muscle cells that convert oxygen into energy) decreases alongside with a steady loss of your VO2 max or the maximum volume of oxygen your working muscles are able to use, which directly affects your level of performance and overall cardiovascular fitness.
This decreases the level of oxygen in your brain, triggering stress hormones to fire up.
Chronically high cortisol levels, suppressed secretory IgA (your gut's immune system), and decreased oxygen to your gut are all possible ways that stress can damage your gut.
The plausible explanations were relaxation of bronchial smooth muscles, increase in the ventilation and brain oxygen concentration, and decrease in the blood lactate level.
MCT oil combined with exogenous Ketones boost your energy levels and do two things: give you a better workout (decrease oxygen demand), and help you get in to Ketosis faster so you're not teetering back and forth (which isn't optimal).
For example, KBs were recently reported to act as neuroprotective agents by raising ATP levels and reducing the production of reactive oxygen species in neurological tissues, 80 together with increased mitochondrial biogenesis, which may help to enhance the regulation of synaptic function.80 Moreover, the increased synthesis of polyunsaturated fatty acids stimulated by a KD may have a role in the regulation of neuronal membrane excitability: it has been demonstrated, for example, that polyunsaturated fatty acids modulate the excitability of neurons by blocking voltage-gated sodium channels.81 Another possibility is that by reducing glucose metabolism, ketogenic diets may activate anticonvulsant mechanisms, as has been reported in a rat model.82 In addition, caloric restriction per se has been suggested to exert neuroprotective effects, including improved mitochondrial function, decreased oxidative stress and apoptosis, and inhibition of proinflammatory mediators, such as the cytokines tumour necrosis factor - α and interleukins.83 Although promising data have been collected (see below), at the present time the real clinical benefits of ketogenic diets in most neurological diseases remain largely speculative and uncertain, with the significant exception of its use in the treatment of convulsion diseases.
These cycles of decreased and increased blood oxygen levels can cause inflammation that may contribute to atherosclerosis, the buildup of
The patient frequently has a decreased level of consciousness due to a decrease in oxygen delivery to the brain, 1 and patients with infectious pericarditis may be febrile.2
Furthermore, the EPA explains that the decay of pet droppings causes oxygen levels in water to decrease - causing the fish and seafood we eat to become asphyxiated.
But it is thought that the sudden drop in prostaglandin blood levels after birth (much of the prostaglandins was made in the infants placenta), an increase in the infants blood oxygen level as its lungs begin to function and decreased resistance to blood flow as the infant's lungs fully expand drive the closure process.
Over time, this decreased ability to breathe leads to low blood - oxygen levels, which puts a strain on the heart, and ultimately can lead to heart failure.
Remind pondkeepers that their fish will grow, and overstocking may result in future problems, including overcrowding, poor water quality and decreased levels of oxygen.
Oxygen levels are decreasing globally due to fossil - fuel burning.
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