Additionally, because symptoms like headaches are so general and hard to pin to one cause, it's difficult to prove correlation.

加之，像头疼之类的症状如此普遍很难将它归因于某个特定因素，因而很难证明其相关性。

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they're far more likely to describe physical symptoms, like headaches or fatigue, that arise from underlying depression or anxiety.

他们更愿意述说一些诸如头疼和疲劳之类躯体症状，其实这些表面的症状都是由潜在的忧郁和焦虑引起。

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More negatives include feeling jittery when you drink too much coffee and withdrawal symptoms like headaches if you choose to stop drinking.

负面影响还有：咖啡喝多后会焦躁不安，不喝时会有头痛的戒断症状。

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Others may get flu-like symptoms such as fever, muscle and joint pain and headaches.

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Four years after he was assaulted, McCabe still gets migraine-like headaches every day, has limited hearing in his left ear and has lost his sense of taste and smell.

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These drugs, known as PDE-5 inhibitors, can cause side effects like headaches, nasal congestion and vision problems -- and they can have dangerous interactions with the heart medication nitroglycerine.

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CO2 can build up in confined spaces and high levels of CO2 can produce a variety of health effects that can affect sleep, like headaches, dizziness, restlessness, difficulty breathing, increased heart rate and sweating.

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