The best opportunity for preventive care, according to Wojtys, occurs in the teenage years, decades before diagnosis. “Peak bone mass is dependent on 5 main factors: sex, race, hormones, nutrition and physical activity,” he wrote. “Sex and race are nonmodifiable, while nutrition, physical activity and hormones are.
“While all the first 20 years of life are important in bone development, approximately 40% to 60% of adult bone mass is achieved during adolescence. Interestingly, 25% of peak bone mass is acquired during the two-year span around peak height velocity: 12.5 years of age for girls and 14 years of age for boys. Nearly all (90%) peak bone mass will have accrued by the age of 18 years, often determining our fracture risk for the rest of our lives.”
Dietary calcium is key for developing strong bones.
Wojtys advises teenagers get 1,300 mg per day for optimal growth. “Keeping in mind that