Searching for, and not finding, biological mechanisms doesn't invalidate that.
Quo usque tandem abutere, Trump, patientia nostra?
I don't but 1.3 billion people (my wife included) do. That alone makes it newsworthy.
I refuse to accept the view that mankind is so tragically bound to the starless midnight of racism and war that the bright daybreak of peace and brotherhood can never become a reality. - MLK
I read somewhere a couple of days ago that 5500 reporters converged on Rome, so I guess their editors thought this was newsworthy too.