为了减缓或者避免认知能力的衰退，研究者们调查了抽烟、饮食、脑力挑战游戏、运动以及其他策略的效果。

To reduce or avoid it, researchers have examined the effect of smoking, diet, brain-challenging games, exercise and other strategies.

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如果在“体育运动”项下查不到，就试试“游戏”项吧。

If it's not under 'sports', try looking under 'games'.

《牛津词典》

积极游戏行为可能为大脑突触连接的生长提供必要的刺激，尤其是在负责运动功能和运动的小脑。

Active play may provide necessary stimulation to the growth of synaptic connections in the brain, especially the cerebellum, which is responsible for motor functioning and movements.

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