Scientists have found that these particular chemicals are involved in regulating mood, but they are unsure of the exact ways that they work.

科学家发现这些特别的化学物质可以调整心情，但是他们不确定他们作用的具体方式。

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Scientists studying depression have found that these particular chemicals are involved in regulating mood, but they are unsure of the exact ways in which they work.

科学家通过研究抑郁发现，这些特定的化学物质重点调节情绪，但是他们不确定这些物质实际的工作方式。

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Problems regulating stress are associated with behavioral and mood disorders.

压力失调的毛病跟行为和心情紊乱有关。

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In many people with the condition this is related to difficulties in regulating mood and anxiety.

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Antidepressant drugs work by regulating serotonin, which affects mood and sleep.

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