By comparison, your average elderly person experiences 1-2 percent bone loss every YEAR.

相比之下，普通老年人平均每年会经历 1-2% 的骨质流失。

Hydrochlorothiazide boosts calcium retention in the kidney and directly stimulates osteoblast differentiation, therefore decreasing mineral bone loss.

氢氯噻嗪促进肾脏中钙的保留且直接刺激造骨细胞分化，因此减少骨质流失。

It can do things like cause sexual dysfunction, lead to bone loss, and damage blood vessels in the eye.

它会造成性功能障碍，骨骼缺钙，以及眼睛中的毛细血管损伤。

The results showed that resistance exercises did more than just slow the rate of bone loss.

结果表明，抗阻训练不仅能减缓骨质流失的速度。

Luckily, NASA has a new weight-lifting machine that has been shown to totally reverse this bone loss.

幸运的是，NASA 有一种新的举重机，它已被证明可以完全逆转这种骨质流失。

Low or zero gravity changes how the blood flows and causes motion sickness, muscle loss and tiredness. Weightlessness can also cause bone loss.

低重力和零重力改变了血液流动，并导致晕动症、肌肉损失和疲倦，失重还会导致骨骼损失。

So, the big buzzkill about life in space is that, up there, a person suffers one to two percent bone loss EVERY MONTH.

所以，关于太空生活最令人扫兴的是，在太空中，一个人每个月会遭受 1% 到 2% 的骨质流失。

All of these things don't solve one fundamental problem though: Mars has only 38 percent of Earth's surface gravity, which could cause muscle-wasting, bone loss, and cardiovascular problems.

火星地表重力只有地球的38％这会导致肌肉萎缩、骨质疏松和心血管问题。