As people age, Starr says, muscle strength is key to helping them stay strong and continue living on their own in their own home.

斯塔尔说，随着人们年龄的增长，肌肉力量是帮助他们保持强壮和继续独立生活的关键。

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As people age, researcher Starr says muscle strength is key to helping them stay strong and continue living on their own in their own homes.

研究人员斯塔尔说，随着人们年龄的增长，肌肉力量是帮助他们保持强壮并继续在自己的家里独立生活的关键。

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The problemis the insulin - this hormone that acts like a key to get the sugar out of theblood into the muscle cells, where it can power your movements.

问题是在于胰岛素- 这种激素的作用就像一种把糖从血液中取出然后放入肌肉细胞内的关键元素，它可以驱动你的动作。

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When this ability was damped down by removing a key muscle production gene from the fish, they produced scars at the wound site instead.

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This could help scientists identify key genes for growing heart muscle and other tissues, leading to new treatments for heart failure.

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Once her body starts burning protein for energy, he says, she will be in a race to hit Key West before her body destroys muscle tissue.

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