According to research they say that everyone will develop some form of osteoarthritis, eventually.
It usually affects people in later stages of life, and by age 75, virtually everyone will develop some symptoms.
In fact, they say if people live long enough, 100% of the entire human population will develop osteoarthritis.
One of the biggest risk factors for developing osteoarthritis apart from age is obesity, genetics and gender.
Females being more prone to it than males and heredity considered as a primary cause of it. But, with a large proportion of the population being overweight these figures could change greatly in years to come.