Osteoporosis is defined as the condition of bone mineral density being 2.5 standard deviations or more below peak young adult level.
Osteopenia is defined as the condition of bone mineral density being between 1.0 and 2.5 standard deviations below peak young adult level.
"Osteoporosis", "osteopenia" and "normal bone mineral density" are all conditions that describe various states of bone mineral density.
An introductory article on osteoporosis, a disease of reduced bone density and increased probability of fracture, can be found on Wikipedia.
- rs235754, in the bone morphogenetic protein-2, BMP2
- rs3770748, in the pituitary glutaminyl cyclotransferase gene QPCT
- Several SNPs in the LRP5 gene:
snps which may influence this include