Documented cases of internet addiction have shown the same dopamine receptor downregulation like you see in substance addiction.

有文件记录的网络成瘾案例显示，也有同样的多巴胺受体下降调节出现和你前面所见的物质成瘾一样。

But how can simply using the internet cause changes in the brain similar to that of substance addiction?

但是，仅仅使用网络导致的大脑改变是怎样与物质成所导致的改变有相似性的呢？

In alcohol or substance addiction, individuals tend to be more impulsive, taking risks they normally wouldn't take like driving recklessly.

在酒精或物质成瘾情况下，人变得更冲动，可能会冒险做一些他们在正常情况下不会做的事（如鲁莽开车）。

There are a few mental health conditions that can increase the risk for suicide - in particular, clinical depression and alcohol or substance addiction.

有些精神健康疾病会增加自杀风险，尤其如临床抑郁症和酒精/物质成瘾。

I had worked with hundreds of people, from those wrestling with substance addiction and patterns of homelessness to private-practice clients facing decades-old abuse, trauma, and grief.

我曾帮助过成百上千个客户，从那些与药物成瘾和无家可归的模式作斗争的人，到那些面临着几十年的虐待、创伤和悲伤的私人诊所客户。

If this translates to humans, lazier individuals may be less prone to substance addiction, although more research is needed to confirm this.

如果这适用于人类，那么懒惰的人可能不太容易上瘾，尽管需要更多的研究来证实这一点。

Though it's a psychological addiction as opposed to a substance addiction, brain scans of these people actually show a similar impairment of regions that those with drug dependence have.

虽然这是心理成瘾而不是物质成瘾，但是扫描他们的大脑后发现，脑内损伤的区域和药物依赖者损伤的区域类似。

That particular brain region is active in all of the addictions, all the substance addictions, all the behavioral addictions like gambling, and it becomes just as active when you've been rejected in love.

这一特定的大脑区域在所有成瘾中都很活跃，所有物质成瘾，所有像赌博这样的行为成瘾，当你在爱情中被拒绝时会变得活跃。

Though it’s a psychological addiction as opposed to a substance addiction, brain scans of these people actually show a similar impairment of regions that those with drug dependence have.

虽然这是一种心理成瘾而不是物质成瘾，但对这些人的脑部扫描实际上显示出与药物依赖者相似的区域损伤。

Drug abuse and substance addiction costs the United States nearly $600 billion dollars a year. They kill at least 320 Americans a day. And 90 percent of addicts start using drugs or alcohol before the age of 18.

药物滥用和药物成瘾每年给美国造成近 6000 亿美元的损失。他们每天至少杀死 320 名美国人。 90% 的瘾君子在 18 岁之前就开始吸毒或酗酒。