In a candid tv chat present, Parkinson, Barry Gibb spoke of his "in depth arthritis".

"I suffer from extensive arthritis, so it's pretty much everywhere," Gibb mentioned again in 2001.

"You can see it in my hands. This thumb is out of its socket. There's already a knuckle gone. But I have to deal with it."

Reflecting on his previous, the singer blamed his love for tennis for damaging all his joints.

"I love tennis, but I didn't start playing until I was about 33, and that's too late," Gibb mentioned on the time.

"The joints really start to suffer then. Unknown to myself, I damaged all my joints.

"There have been occasions about 5 years in the past after I actually could not get away from bed. I used to be dwelling in ache."

Gibb said he experiences arthritis pain in his knee, hands, left shoulder and wrists.

Now 76 years old, The John F. Kennedy Center for the Performing Arts has selected Gibb as part of the 46th Honorees for lifetime artistic achievements.

"I’m grateful to be recognised as a part of the forty sixth class of Honorees," Gibb Tweeted on June 22.

Does arthritis get worse with age?

Osteoarthritis, for example, doesn't necessarily get worse with age, the NHS says.

While there is no cure for the condition that leads to swollen and tender joints, there are treatment options available.

Painkillers may be one of the best ways forward when it comes to managing arthritis pain.

A GP might prescribe a non-steroidal anti-inflammatory drug (NSAID), which works by reducing inflammation.

"As effectively as serving to to ease ache, they'll additionally assist scale back any swelling in your joints," the NHS says.

The Joy of the Bee Gees documentary will air on BBC Two on Saturday, July 8 at 8.15pm.