习惯可以改变一个人，好的习惯让我们变得更好，坏的习惯让我们不由自主。如何养成好的习惯，改变自己？

A lighthearted moment in the Oval Office as Vice President Mike Pence shows off his breakdancing skills.

A person peels and consumes a banana in a casual setting.

一组描述夕阳下的美景和诗情画意的文字，描绘了夕阳下的自然美景和人文情怀。

A serene scene of a young woman sitting under a tree, enjoying the outdoors in a casual summer outfit with short jeans.

Footage of a bearded astronaut walking on the Moon's dark side, holding a shiny sample container during a lunar mission.

Explore the incredible defense system of the human body, from the different jobs and components of the immune system to its response to infections and how it keeps you safe.