Queen Elizabeth II is currently under medical supervision as she suffers with health issues, Buckingham Palace confirmed Thursday morning.

The Queen, now 96 years old, was officially coronated on June 2, 1953.

“Following further evaluation this morning, The Queen’s doctors are concerned for Her Majesty’s health and have recommended she remain under medical supervision,” a spokesperson from Buckingham Palace said. “The Queen remains comfortable and at Balmoral.”