The court’s delay in announcing the decision on President Yoon's impeachment, has baffled both the ruling PPP and the ...

Circadian clocks keep people’s internal systems in balance. This internal timepiece modulates the expression of many genes, including those linked to immunity, DNA repair, and cell proliferation.

Tick tock, tick tock, tick tock ... Adults need an average of eight hours of sleep to function well. Older people tend to need a little less -- about 7.5 hours. It's estimated that nearly half ...