迄今为止的研究表明，与许多其他压力源一样，悲伤经常导致内分泌，免疫，自主神经和心血管系统的变化。所有这些从根本上受到脑功能和神经递质的影响。那里
(Research to date has shown that, like many other stressors, grief frequently leads to changes in the endocrine, immune, autonomic nervous, and cardiovascular systems; all of these are fundamentally influenced by brain function and neurotransmitters. There)