If you're a mouse who loves to feel fit but hates to exercise, the Health Blog has good news for you: There's a drug that can give you the endurance of a champion, even if you never leave the nest. 如果一只小鼠希望精神好而讨厌锻炼,健康博客网给它带来了好消息:即使它从来没有离开过居住的巢穴,有一种药物可以提高它在冠军争夺中的耐力。