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Phosgene is an insidious poison as the odor may not be noticed and symptoms may be slow to appear. [ 31 ] At low concentrations, phosgene may have a pleasant odor of freshly mown hay or green corn, [ 32 ] but has also been described as sweet, like rotten banana peels.
A possible use of phosphenes as part of a brain to brain communication system has been reported. The system called BrainNet, produces phosphenes using transcranial magnetic stimulation (TMS). The goal of the research is to connect thoughts brain to brain using a system where signals are detected using electroencephalography ( EEG ) and ...
The brain is more vulnerable to oxidative stress than other organs, due to its low oxidative capacity. Because neurons are characterized as postmitotic cells, meaning that they live with accumulated damage over the years, accumulation of ROS is fatal.
Toxic encephalopathy is a neurologic disorder caused by exposure to neurotoxic organic solvents such as toluene, following exposure to heavy metals such as manganese, as a side effect of melarsoprol treatment for African trypanosomiasis, adverse effects to prescription drugs, or exposure to extreme concentrations of any natural toxin such as cyanotoxins found in shellfish or freshwater ...
These stress hormones are also hindering the hippocampus from receiving enough energy by diverting glucose levels to surrounding muscles. [2] Stress affects many memory functions and cognitive functioning of the brain. [10] There are different levels of stress and the high levels can be intrinsic or extrinsic.
The researchers analyzed historical data on childhood blood-lead levels, leaded gas use and U.S. population statistics, determining that more than 170 million Americans had "clinically concerning ...
The stress levels of the participants were measured through self-assessments of stress and anxiety symptoms after each condition. The results demonstrated that the "exercise" condition had the most significant reduction in stress and anxiety symptoms. [89] These results demonstrate the validity of the time-out hypothesis. [89]
The first symptom of a brain bleed is a sudden, severe headache, but can also include nausea and vomiting, confusion, dizziness, slurred speech, sleepiness and lack of energy. Some potential ...