求翻译：心理学家克皮尔调查了137人，并将他们分为健康组和患病组。患病组是溃疡病和结肠炎的患者，这是两种与精神紧张密切相关的疾病。结果发现，健康组哭的次数比患病组较多，而且哭后自我感觉较之哭前好了许多。进一步的研究发现，人们因情绪压抑时，会产生某些对人体有害的生物活性物质。哭泣时，这些有害的化学成分便会随着泪液排出体外，从而有效地降低了有害物质的浓度，缓解了紧张情绪。有研究表明，人在哭泣时，其情绪强度一般会降低40%。这解释了为什么哭后感觉比哭前要好了许多。是什么意思？

正在翻译，请等待...

Psychologists, Pierce survey, 137 persons had been and divided into health and illness group Group. Illness is a group of patients with peptic ulcer disease and colitis, and this was one of the two closely related diseases and mental tension. It was found that, compared to the number of ill health g

The psychologist gram peeled investigated 137 people, and divided into them the healthy group and is sick the group.Is sick the group is ulcer and the colitis patient, this is two kinds with mental strain close correlation disease.The result discovered, the healthy group cries the number of times is

Kepier surveyed 137 people, a psychologist, and they are divided into groups of health and illness groups. Sick group is a disease and ulcerative colitis patients, which are two closely related to the stress of illness. Turns out, cry more than sick group health group, and cried the first good feeli

Kepier surveyed 137 people, a psychologist, and they are divided into groups of health and illness groups. Disease group is the ulcer and patients with colitis, is two closely related to nervous diseases. Turns out, cry more than sick group health group, and cried the first good feeling than crying