"Is this... clubbed fingers?"
Li Xu immediately paused the video, repeatedly scrubbing the progress bar to get a closer look.
In the medical world, some highly skilled doctors can deduce a patient's health by reading their palms—or to put it more professionally, through "hand diagnosis."
This wasn't some hocus-pocus from a fortune teller; it's a legitimate discipline within modern medicine, and a vital part of visual inspection.
Hand diagnosis involves observing the color, lines, and shape of the hands to infer the health of the body's internal organs and identify potential diseases.
A healthy person's palm should be light pink or reddish, with evenly distributed blood vessels and a rosy, vibrant complexion.
But when a problem arises in the body, the hands act like an "alarm system" for the internal organs, flashing the first warning signs.
For instance, prominent bulging blue veins on the thenar eminence (the base of the thumb) often suggest a risk of coronary heart disease.
