该课程不需要练习经验，不同年龄和健康状况的人都可以参加。
No experience is necessary, and people of all ages, fitness, and health are welcome.
此前已有研究表明，女性的面容可以反映她的年龄和健康状况，而年轻和健康与否可影响其潜在生殖能力。
Previous studies have noted that a woman's face reflects her youth and health, which can affect her future reproductive abilities.
而生育能力这一信号更多的是大量集中体现在身体特征上，而在脸上则相对较少，但脸上却可能有更多能暗示出像年龄和健康状况这样的生殖价。
Where as her face may have more cues of reproductive value like age and health.
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