Seven days had already passed since the Qingming Festival when people went up the mountains to mourn the dead, and the Grain Rain season naturally brought no actual rain of that name, for agricultural matters in the north always lagged a little behind the Central Plains no matter what.
Su Yu had certainly not been idle during this period. Aside from subjecting Zheng Kun and Li Yang to her experimental electrotherapy packages, she had also conducted a series of experiments involving True Qi.
Through her experiments, Su Yu discovered that stimulating the human body with micro-currents was indeed beneficial for arousing internal cellular activity. However, human cells were fragile after all, and any excess would cause irreversible damage. Of course, the damage would only affect those specific cells; for the body as a whole, it still amounted to very little.
Chapter 72