Doctors don't know the causes of kidney cancer. But certain factors appear to increase the risk of getting kidney cancer. For example, kidney cancer occurs most often in people over 40. These are some other risk factors for kidney cancer. 1  Smoking. 2  If you smoke cigarettes, your risk of getting kidney cancer is twice that of nonsmokers. 3  Cigars may also increase your risk. 4  Being male. 5  The disease is more common in men than in women.
What is role strain in sociology? Quick Answer. Role strain in sociology is when a particular role a person needs to fulfill is strained due to excessive obligations or multiple demands on time, energy or available resources.
Strain theory: Strain theory, in sociology, proposal that pressure derived from social factors, such as lack of income or lack of quality education, drives individuals to commit crime. The ideas underlying strain theory were first advanced in the 1930s by American sociologist Robert K. Merton, whose work on the subject became especially influential in the 1950s.