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 Strain is the response of a system to an applied stress. When a material is loaded with a force, it produces a stress, which then causes a material to deform. Engineering strain is defined as the amount of deformation in the direction of the applied force divided by the initial length of the material.