Human activity is causing environmental degradation, which is the deterioration of the environment through depletion of resources such as air, water and soil; the destruction of ecosystems; habitat destruction; the extinction of wildlife; and pollution.
Screening for abdominal aortic aneurysm (AAA) Research studies suggest that a routine ultrasound scan is worthwhile for all men aged 65. This is because most people with an AAA do not have symptoms. Following a routine scan, surgery can be offered to men found to have an aneurysm over 5.5 cm wide.
abdominal aortic aneurysm an abdominal aortic aneurysm occurs when a lower portion of your body s main artery aorta becomes weakened and bulges most aortic aneurysms occur in the part of your aorta that s in your abdomen although the exact cause of abdominal aortic aneurysms is unknown a number of factors may play a role including tobacco use cigarette smoking and other forms of tobacco use appear to increase your risk of aortic aneurysms