Newswise — A single marijuana joint has the same effect on the lungs as smoking up to five cigarettes at a time, indicates research published ahead of print in the journal Thorax .新闻立一个单大麻联合具有相同的,对肺部因吸烟而多达5香烟,一时间,研究显示,未来出版印刷在杂志上胸部 .

The researchers base their findings on 339 adults up to the age of 70, selected from an ongoing study of respiratory health, and categorized into four different groups.研究者基地,其结果对339名成年人到了70岁,选自一项正在进行的研究的呼吸系统健康,并分为四个不同的群体.

These comprised those who smoked only cannabis, equivalent to at least one joint a day for five years; those who smoked tobacco only, equivalent to a pack of cigarettes a day for at least a year; those who smoked both; and those who did not smoke either cannabis or tobacco.这些组成那些吸食大麻,只相当于至少一次联合每天为五年;那些吸食烟草,只相当于一包烟,每天至少一年;那些既吸烟;和那些不无论吸烟或大麻烟.

All the participants had high definition x-ray scans (computed tomography) taken of their lungs and they took special breathing tests designed to assess how well their lungs worked.所有参加了高清晰度的x光扫描(计算机断层扫描)到其肺组织,他们采取了特别的呼吸测试,目的是评估如何好自己的肺部运作.

They were also questioned about their smoking habits.他们还询问他们的吸烟习惯.

Seventy five people smoked only cannabis, and 91 smoked both. 75人,只抽大麻, 91熏两种. Eighty one people did not smoke either, and 92 smoked only tobacco. 81人不吸烟,要么, 92只吸食烟草.

Combined smokers tended to use less tobacco, the findings showed.结合烟民趋于减少使用烟草,结果显示.

Cannabis smokers complained of wheeze, cough, chest tightness and phlegm.大麻吸烟者抱怨喘鸣,咳嗽,胸闷,痰等. But emphysema, the progressive and crippling lung disease, was only seen in those who smoked tobacco, either alone or in combination.但肺气肿,逐步削弱和肺部疾病,仅见于那些吸食烟草,单独或者组合.

But cannabis still damaged the lungs and stopped them from working properly.大麻,但仍损害肺脏,并停止他们的工作.

Marijuana diminished the numbers of small fine airways, which are important for transporting oxygen and waste products to and from the blood vessels effectively.大麻削弱了多少优秀的小航空公司,重要的是运送氧气和废旧物品,并从血管有效.

And marijuana damaged the large airways of the lung, blocking airflow, and forcing the lungs to work harder.大麻和损坏大支气管,阻塞气流,迫使肺部加把劲.

The extent of this damage was directly related to the number of cannabis joints smoked, with higher consumption linked to greater incapacity.损害程度直接相关,大麻人数接头高纤,高消费的联系更加丧失.

The effect on the lungs of each joint was equivalent to smoking between 2.5 and five cigarettes in one go.对肺部各关节相当于吸烟之间的2.5倍和5支烟一口气.

The authors explain that the impact of cannabis is strongly associated with the way in which it is smoked.作者解释说,大麻的影响是强烈的联系方式,它是烟. Marijuana is usually smoked without a filter, and at a higher temperature.大麻通常吸食未经过滤,并在较高的温度. Smokers tend to inhale more deeply and to hold their breath for longer.吸烟者往往吸更加深刻,并责成其呼气长.

A free PDF copy of the report is available here:免费pdf了解报告的副本,在这里获得:

Effects of marijuana on lung function, structure, and symptoms对大麻对肺的功能,结构及症状