How 3.5 inch heels could prematurely age your joints

Walking in stilettos this high causes changes to the gait seen in ageing and those with arthritic knees. Stanford University research could help explain why osteoarthritis is twice as common in women as men.
Study shows that the higher the heels, the more a woman's gait changes. Other research shows that when a woman slips on a pair of heels, it takes on average just more than an hour for her feet to start to hurt. Other recent research has shown that when a woman slips on a pair of heels, it takes, on average, just over an hour for her feet to start to hurt.
The survey, for the College of Podiatry, found that women are three times as likely as men to cram their feet into uncomfortable shoes – and that as a result, nine out of ten have suffered problems from bunions and corns to sprains and strains.
Experts warn that the prolonged wearing of high heels can also trigger stress fractures and trapped nerves.