Which of the following statements is correct?
More than 10% of premenopausal women have a T-score ≤ -2.5 SD
Chronic inflammatory conditions are a cause of osteoporosis in young adults
In the case of anorexia nervosa, areal BMD is comparable to that of girls of normal weight
Oestrogen deficiency is a minor factor in anorexia nervosa-related bone disease
The use of fracture prediction tools (e.g., FRAX®) is valid in young adults
Osteogenesis imperfecta is due to the mutation of ALPL gene
Osteoporosis pseudoglioma syndrome (OPPG) is a disease with non-Mendelian inheritance
Pregnancy and lactation-associated osteoporosis is diagnosed in most pregnant and lactating women
Pregnancy and lactation are states of high calcium demand
Very slow recovery of bone mass both postpartum and after lactation
In pre-menopausal women with anorexia nervosa
Serum IGF-1 levels are normal
Serum leptin levels are increased
Bone turnover markers are normal
There is resistance to GH
Cortisol levels are low
Which of the following is considered a primary cause of secondary osteoporosis in young adults?
Low vitamin D
Chronic and inflammatory disorders
High calcium intake
Intensive physical activity
Alcoholism