Liam Neeson health: Star's 'agonising' pain spurred by caffeine intake - dangers

msn.com:

Eamonn Holmes with his chronic pain, after suffering from a bout of his own. "Rest is rust and motion is lotion," Neeson reportedly told Holmes whilst the pair sat next to each other on a plane.

Neeson spoke out about his own pain with leg cramps a few years before, when appearing on Radio 5 Live. At the time the star revealed: "I was getting shooting pains in my leg, cramps in the middle of the night. "The pain made me cry it was agonising. "A friend of mine set me up with this massage therapist who does all the dancers on Broadway and he worked on me. "In a substantial amount of pain Neeson was desperate to get some help to relieve his cramps, which a massage therapist was able to do. READ MORE: Bowel cancer: Study concludes 'excessive' intake of a type of vegetable may increase risk"He got rid of lactic acid crystals in my leg and afterwards," the star added, revealing more about his condition.

When lactic acid accumulates in the muscle, it forms into crystal shapes. The longer the muscle remains tight, the bigger these crystals become.

This increased denseness in the muscle restricts the blood flow, meaning that muscle is not able to get its waste products flushed out as well in comparison to when the muscle is relaxed.