Cristiano Ronaldo is highest-paid player, Lionel Messi second - Forbes. Real Madrid remain the most valuable football team in the world for a fourth consecutive year, according to Forbes. Cristiano Ronaldo was the world's highest-paid footballer -- and highest-paid team athlete -- last year, according to US business magazine Forbes. Real Madrid star Ronaldo was said to have earned a total of $82 million (Â£56.7m), with an annual salary of $53m (Â£36.7m) and $29m (Â£20m) in endorsements.
A chromosome deletion is also possible, where an entire section of a chromosome is deleted. Diseases that can be caused by deletion mutation can include 22q11.2 deletion syndrome, cystic fibrosis, Turner syndrome, and Williams syndrome.
What causes prion disease? Prion diseases occur when normal prion protein, found on the surface of many cells, becomes abnormal and clump in the brain, causing brain damage. This abnormal accumulation of protein in the brain can cause memory impairment, personality changes, and difficulties with movement. Experts still don't know a lot about prion diseases, but unfortunately, these disorders are generally fatal. Who is at risk for prion diseases? Risk factors for prion disease include: Family history of prion disease