One of the oldest treatments is also one of the most effective treatments, and that's lithium salts.
锂盐是最古老同时也是最有效的治疗手段之一。
英语百科
Lithium (medication)
Lithium compounds, also known as lithium salts are primarily used as a psychiatric medication. This includes in the treatment of major depressive disorder that does not improve following other antidepressants and bipolar disorder. In these disorders it reduces the risk of suicide. Lithium is taken by mouth.