This observation was linked to stress concentrations and surface roughness issues.
I have crippling ADHD and concentration issues and always have.
Supplemental oxygen at high concentrations may prove ineffective and issues relating to hyperoxia, barotrauma, mechanical ventilation and extracorporeal oxygenation are well documented [1, 2].
Supplemental oxygen (O2) at high concentrations may prove ineffective, and issues relating to hyperoxia, barotrauma, mechanical ventilation, and extracorporeal oxygenation are well documented.
Recent surface-water surveys suggest that high nutrient concentrations and nuisance algae remain issues in the St . LawrenceRiver Area of Concern (AOC) at Cornwall, Ontario, specifically in the tributaries and nearshore zones of Lake St. Francis (LSF).
A very thorough study (of 21 people) in Sweden found that people who use their cell phones excessively can be prone to sleep problems, fatigue, and stress, which can lead to depression and concentration issues.
Various theories have been proposed to explain elevated levels of caffeine consumption among individuals with a serious mental illness; including self-medication to treat symptoms such as anhedonia, drowsiness, and issues with concentration [ 14]; and to counteract the side effects of antipsychotic medications which can present in a similar way to the abovementioned symptoms [ 9].
Without denying their emergence as measurable and observable centers of massive population concentrations and economic activity, the issue is whether these are qualitatively distinct from existing settlements or merely larger forms.
Evaluation of matrix effects indicate concentrations were 109% and 111% of nominal low and high concentrations and were not significant issue.
According to a new study, young people hit with a 5-second shock reported anxiety, confusion, and concentration issues that lasted up to an hour after being stunned.
