睾酮水平会下降，尤其是当一个人上了年纪时。
Testosterone levels do decrease, especially as a man gets older.
她将男人归类为低与高睾酮水平只用了697人来测量，所以低和高类是相对的。
She categorized the men as low vs. high using only the measurements of the 697 men, so the low and high categories are relative.
但他们的睾酮水平与仍是单身的同龄人相比骤然降低。
But their testosterone plunged, compared to peers who stayed single.
据一项调查65岁以上老年男性的睾酮和心脏病的研究，人的自然睾酮水平越高，其心脏问题风险越高。
The higher a man's level of natural testosterone, the higher his risk of heart problems, according to a new study that looked at testosterone and heart disease only in men 65 and older.
GRAY先生说：一个最大的不同是人对睾酮激素的反应。
Mister Gray says one major difference is the way people react to the hormone testosterone.
这些人按睾酮水平从低到高被分成4组。
The men were divided into four groups, from lowest testosterone levels to highest.
在睾酮水平偏低组5人当中就有1人（41）死亡，而在睾酮水平正常组8人当中只有1人（12%）死亡。
One in five (41) of those with low testosterone died, compared with one in eight (12%) of those with normal levels.
在睾酮水平偏低组5人当中就有1人（41）死亡，而在睾酮水平正常组8人当中只有1人（12%）死亡。
One in five (41) of those with low testosterone died, compared with one in eight (12%) of those with normal levels.
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