Researchers have found that a few proteins which are more prevalent in older people prevent the fractured bones from healing. Duke Scientists hope this discovery will lead to new treatments to help people heal after injuries or surgeries. When we decreased the protein level aging was reversed said senior author Gurpreet Baht Ph.D. and assistant professor in the Duke Department of Orthopaedic Surgery. Not only was there more bone and healing happened faster but it was also structurally more sound. Baht's team confirmed that older people have more Apolipoprotein E ApoE for short than younger people reported the study published