Older age also reduces the capacity for UVB-induced cutaneous synthesis of vitamin D. After equal doses of sunlight exposure, a 70-year-old person produces 75% less vitamin D3 than a 20-year-old person
Older age also reduces thecapacity for UVB-induced cutaneous synthesis of vitaminD. After equal doses of sunlight exposure, a 70-year-oldperson produces 75% less vitamin D3 than a 20-year-oldperson