Causes. Fungal nail infections are caused by various fungal organisms (fungi). The most common cause is a type of fungus called dermatophyte. Yeast and molds also can cause nail infections. Fungal nail infection can develop in people at any age, but it's more common in older adults. As the nail ages, it can become brittle and dry.
Photo: Getty Images. Jan. 1 marked a significant cultural shift in China â starting this year, families will be able to have two children. This alters the one-child policy that was introduced in 1978 to control the countryâs population.
Population Growth. When the one-child policy was introduced, the government set a target population of 1.2 billion by the year 2000. The census of 2000 put the population at 1.27 billion, 12 although some demographers regard this number as an underestimate.opulation Growth. When the one-child policy was introduced, the government set a target population of 1.2 billion by the year 2000. The census of 2000 put the population at 1.27 billion, 12 although some demographers regard this number as an underestimate.