银杏内酯B（GB），是从银杏叶中提取的一种生物活性萜类化合物，已被证明具有多种健康益处，包括改善与衰老相关的疾病，如肌肉减少症、代谢失调、认知退化等，但其对健康寿命和寿命的全面影响尚不清楚。

: In this issue, a World View from Dan Nussey discusses how long-term wild animal studies such as the St Kilda Soay sheep project, which has run in its current form since 1985, can help us to ...