Not only it is one of the largest airports in the world but is also ranked among one of the busiest airports in the world. According to sources, Beijing Capital International Airport accounted 557,167 air craft landings and take offs, making it the busiest airport of the world in 2014.
Bone mass generally peaks around the age of 30-35, and then starts to slowly decline at around age 50 in women (60 in men) when you start to lose bone mass faster than your body can grow it back. This happens to all adults, however critical loss of bone mass (osteoporosis) is much more common in women.
Loss of bone mass results from demineralization and usually begins after age 30 in females, accelerates greatly around age 45 as levels of estrogens decrease, and continues until as much as 30% of the calcium in bones is lost by age 70. Once bone loss begins in females, about 8% of bone mass is lost every 10 years.In males, calcium loss from bone typically does not begin until after age 60, and about 3% of bone mass is lost every 10 years.ecause women's bones generally are smaller than men's bones to begin with, loss of bone mass in old age typically causes greater problems in women. These factors contribute to a higher incidence of osteoporosis in women.