Winter back pain, cold hands and feet? Kidney deficiency might be "ringing the alarm bells"!Sixty-something Mr. Liu suffered from debilitating lower back pain and icy cold hands and feet every winter...

Blocked Arteries: Old Li's Alarm Bell and the Myth of Ginseng TeaOld Li, an ordinary retired man, was often plagued by fatigue and couldn't even manage simple Tai Chi. During a workout in the park, he was short of breath and felt a sense of unease...