News of Kudlow's medical condition was made public by President Trump as he prepared to meet with North Korean leader Kim Jong Un.
Kudlow served in the Reagan administration and was a high-flying Wall Street executive in the 1990s, before undergoing treatment for drug and alcohol problems.
Local people named on Queen's birthday honours list
I am pleased to see the Queen's Birthday honours recognise the achievements of a diverse and inspiring number of our fellow Scots. The 28-year-old Joshua was rewarded with an MBE in 2013 after claiming an Olympic gold medal at the London 2012 Games.
Kudlow has always been a respected business and economics commentator, getting his own CNBC show in 2011. As recently as Sunday, he had appeared on TV defending the president's attacks on Canadian Prime Minister Justin Trudeau, saying that Trudeau had committed a "betrayal".
During internal White House deliberations this spring, Mr. Kudlow argued in favour of cutting a quick deal with Canada and Mexico to resolve NAFTA renegotiations, said sources with knowledge of the confidential talks.
Kylie takes Stormi off Insta
Kylie Jenner is making mommy moves and pulling back on how much of her daughter she shares with fans on social media. The most recent photo to make the cut is one of Jenner holding Stormi in a carrier on her chest.
Kudlow soon settled comfortably into the world of political and economic commentary, working at the conservative magazine National Review and becoming a host of CNBC shows beginning in 2001.
Emre Can to leave Liverpool after four-year spell
Having been out injured for two months before then, Can was left out of Germany's squad for the World Cup in Russian Federation . Right-back and local lad Jon Flanagan will also depart the club ending his eight-year stay with his beloved boyhood team.
Saudi Arabia says Yemen rebel fire kills 3 in kingdom
Saudi Arabia says three civilians in the kingdom's south have been killed by incoming fire from Yemen's Shia rebels. Riyadh accuses its regional rival Tehran of supplying the Houthis with ballistic missiles, a charge Iran denies.
Pompeo says North Korea could get ‘unique’ security guarantees
The article also stresses the need for confidentiality - meaning Trump will have to resist tweeting the minutes of the meeting. Kim, one of the president's top trade advisers, Peter Navarro, said there was "a special place in hell" for leaders like Mr.
Neymar mocks Austria's 'UFC' tactics after Brazil win
He would not confirm, however, that the same side would start Brazil's opening World Cup game against Switzerland on 17 June. Once they touched down, a track suited Chechen leader Ramzan Kadyrov was among the first to greet Salah.