Fluoride Action Network

Is there any link between fluoride and the increase in osteoporosis in developed countries

The most relevant research addressing this question are the nearly 20 epidemiological studies investigating whether water fluoridation is linked to higher rates of hip fracture. Many of these studies have found a correlation, but some have not as well. So, the issue remains a controversial one. To learn more, see:
http://fluoridealert.org/health/bone/fracture/epi.html