Symptoms of nicotine withdrawal include severe craving for nicotine, irritability, anxiety, anger, poor concentration, restlessness, impatience, increased appetite, weight gain, and insomnia.

尼古丁戒断综合征包括对尼古丁的极度渴望、烦躁、焦虑、易怒、注意力不集中、坐立不安、急躁、食欲增加、体重增加和失眠等症状。

Finally, multiple sclerosis can also affect higher order activities of the brain, causing poor concentration and critical thinking, as well as depression and anxiety.

最后，多发性硬化也能影响大脑的高阶活动，出现注意力不集中、批判性思维下降以及抑郁、焦虑。

If we don't replenish the lost water, it can lead to dehydration, which comes with nasty symptoms like muscle cramps, fatigue, poor concentration, and headaches.

如果我们不补充流失的水分就会导致脱水，这会带来很多糟糕的症状，比如肌肉痉挛，疲劳，注意力下降还有头痛。

Perhaps most worrying, because rice is eaten every day by some of the world's poorest, elevated carbon dioxide concentrations in the atmosphere deplete nutrients from each grain.

也许最令人担忧的是，因为世界上最贫困的一些人每天都吃大米，而大气中二氧化碳浓度的升高会耗尽每一粒稻米中的营养物质。

Cognitive symptoms may include fear of losing control, fear of " going crazy, " frightening thoughts, poor concentration and memory, and difficulty speaking.

认知症状可能包括害怕失去控制、害怕“发疯”、可怕的想法、注意力和记忆力差以及说话困难。

" They may feel dependent upon it and even experience signs of withdrawal, such as headaches and poor concentration, when they do not have it, " she said.

他们可能会感到依赖它， 甚至会出现退缩的迹象，例如头痛和注意力不集中， ” 她说。

Bradley Peterson, director of the Institute for the Developing Mind at Children's Hospital Los Angeles in California, wanted to see why low iron levels in children are correlated with lower IQ and poor concentration.

加州洛杉矶儿童医院心智发展研究所主任布拉德利·彼得森想了解为什么儿童体内铁含量低与智商低和注意力不集中有关。

If you are following a strict vegan diet, it's worth being aware of some of the low-level symptoms of B twelve efficiency, such as headache, fatigue, poor concentration, and brain fog and low mood and depression.

如果你是严格的素食主义者，那么你应该注意一些 b12 效率低的症状，比如头痛、疲劳、注意力不集中、脑雾、情绪低落和抑郁。