North Korea has restructured Kim Jong Un's security teams, indicating a shift in defense strategies due to external threats.

A study shows that smoking for over 20 years increases small-cell lung cancer risk by 54 times, highlighting smoking's dangers.

Increased YAP expression and heterodimerization of TM4SF19 protein due to oxidative stress in oral cancer cells. (Courtesy of KAIST)/News1 Korean researchers have identified a mechanism by which smoking and drinking promotes oral cancer proliferation.