After this point, your bones can only maintain or lose their density and grow weaker as a natural part of the ageing process.

在这一点上, 你骼只能维持或失去密度而且随着自然老化过程生越来越脆弱。

Resistance training leads to increased muscle mass and bone density, both important for the well-being of aging bodies, Dr. Leigh Breen from the University of Birmingham.

伯明翰大学雷·布说，阻力训练会导致肌肉质量和密度增加，它们对老年人健康很重要。

For one, without the stress of Earth's gravity, her bones lose density.

首先，没有地心引力，她密度会降低。

So bone, you know, bone density challenges and my doctor prescribed medicine.

骼，你知道，这是密度方面问题，医生给我开了药。

The incredible process even allows them to maintain muscle mass and bone density.

这一神奇过程甚至能让它们维持肌肉量和密度。

Access games have shown a significant increase in bone density in those who do yoga.

Access游戏显示，那些做瑜伽人密度显著增加。

But of 24 GIDS patients who had been prescribed puberty blockers, a third had BMD scores in the bottom 2% of their age groups (more that two standard deviations below the mean).

但是在24名服用了青春期阻滞药GIDS患者中，有三分之一密度评分在其年龄组最后2%(比平均值低两个标准差以上)。

These include bone density tests to screen for osteoporosis, mammograms, pap tests, HIV and STD screening and counseling, contraception, and well-woman visits, as well as other services that specifically address the health needs of women.

这些包括检查质疏松密度测试、乳房射线检查、巴涂片检查、艾滋病及STD扫描和咨询服务、避孕、保健成瘾访问以及其他强调女性服务。

When it comes to the gym, doing a DEXA scan every now and then, taking progress photos, measuring your biceps and stuff can really help in figuring out, are you actually on track?

在健身房时，偶尔做一次密度检查，拍摄进展照片，测量你二头肌等，真可以帮助你弄清楚你是否真在轨道上。

“In the clinical process, we would check their bone mineral density, and we found that the bone mineral densities of these patients had been improved, which is a positive index for their health, ” he said.

“在临床中，我们会检查患者密度，我们发现这些患者密度得到改善，这对他们健康来说是个积极指标。”

So, osteoporosis is when there's a higher breakdown of bone in comparison to the formation of new bone which results in porous bones, meaning a decrease in bone density to the point of potential fracture.

所以，Osteoporosis质疏松，意味着相比新生成，组织被分解程度更高，导致了多孔样质，这会造成密度下降，从而增加折风险。

Space crews generally need to exercise at least 15 hours a week to slow down the process of bone degradation, but even that can't fully stave loss of bone density.

宇航员通常要每周至少锻炼 15 个小时来减缓骼退化过程，但即使这样也不能完全避免密度损失。

We've seen evidence of improved pain scores and pain-free range of motion, factors critical to athletes, as well as improved bone mineral density in osteoarthritic individuals.

我们看到了胶原蛋白对疼痛评分和无痛活动范围改善，这些对运动员至关重要因素，以及对关节炎患者密度改善。

People typically start to undergo age-related body changes around age 30, losing lean tissue and bone density, and gaining body fat.

人们通常在30岁左右开始经历与年龄相关身体变化，瘦体组织减少，密度降低，脂肪增加。

You'd need to relieve pressure on your skin, and exercise your muscles to retain bone density and muscle mass.

你要缓解皮肤上压力，并锻炼肌肉以保持密度和肌肉质量。

So, low levels of estrogen can also lead to complications like cardiovascular disease and osteoporosis, or decreased bone density.

因此，低水平雌激素也会导致心血管疾病、质疏松（密度下降）等并发症。

Exactly. Sitting too much reduces bone density because there's no weight-bearing activity to keep your bones strong.

没错，久坐会减少密度，因为没有负重活动来保持骼强壮。

And it also helps slow down decreases in our bone density that happen over time.

此外，它还有助于延缓密度随时间流逝而下降速度。

Studies show that astronauts, for instance, lose 1% to 2% of their bone density for every month spent in space, and that would be especially concerning for giving birth because the pelvis could fracture in the process.

研究显示宇航员密度在太空中每月都会降低1%至2%，密度对于太空分娩而言影响重大，因为盆可能会在分娩过程中折。

Estrogen normally has a protective effect on the cardiovascular system helping keep the blood vessels' walls flexible to accommodate blood flow, as well as the skeleton, where it helps sustain bone density.

雌激素通常对心血管系统有保护作用，有助于保持血管壁柔韧性以适应血流；对于骼，雌激素有助于维持密度。