It's also been linked to chronic pain, immune system problems, heart disease, and hormone imbalances.

它还与慢性疼痛、 免疫系统问题、 心脏病和激素失衡有关。

This is called Gynecomastia, and is a result of a hormone imbalance that's typically temporary.

这称为男性乳房发育症， 是激素失衡的结果， 通常是暂时的。