Bone Health and Environmental Chemical Exposures
Osteoporosis and low bone density affect over 200 million people globally, increasing fracture risk and associated morbidity. Environmental chemicals that disrupt mineral metabolism and bone cell signaling contribute to skeletal fragility beyond diet and genetics.
PFAS and Osteoblast/Osteoclast Balance
PFAS compounds suppress osteoblast differentiation while promoting osteoclast activity, favoring net bone resorption. Studies show PFAS exposure reduces serum osteocalcin—a marker of bone formation—and increases bone resorption biomarkers.
Cross-Sectional Bone Density Evidence
DXA bone density studies in PFAS-exposed communities show lower lumbar spine and femoral neck bone mineral density in adults with higher serum PFAS levels, independent of calcium intake, vitamin D status, and age.
Osteoporosis Prevention Implications
Bone densitometry screening in PFAS-contaminated communities may identify at-risk individuals earlier. Calcium, vitamin D, and weight-bearing exercise recommendations should accompany PFAS exposure reduction counseling for bone health optimization.