Ursolic-acid mice developed more skeletal muscle but gained less weight than nonsupplemented mice, even though food intake was higher in ursolic-acid mice. Supplemented mice had greater strength and exercise capacity, and higher resting energy expenditure. Ursolic acid triggered an increase in high-energy brown fat associated with reduced obesity, though it isn't known how, researchers said. The results were the same for both ursolic-acid doses.

补充熊果酸的小鼠骨骼肌生长较好，但增加的体重比未补充熊果酸的小鼠少，尽管前者的食物摄入量较高。补充熊果酸小鼠的力量和运动能力更强，休息时消耗的能量更多。研究人员说，熊果酸引起了与减少肥胖有关的高能量褐色脂肪的增加，但尚不清楚是如何引起的。两种熊果酸剂量的结果相同。

Caveat: Humans and mice may have differing capacities for the absorption, distribution and excretion of ursolic acid, researchers said.

注意：研究人员说，人类和小鼠对熊果酸的吸收、分配和排泄能力可能有差异。

Vertigo and gender: Women develop vertigo slightly more often than men. But a study found that men with vertigo, a common balance disorder, suffer more anxiety and depression. The results contrast with earlier studies that reported psychiatric distress is higher in women with vertigo. Vertigo is a spinning sensation that can leave people feeling dizzy or nauseous. About 40% of Americans have at least one episode of vertigo in their lifetimes.

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