The Trans-Alaska Pipeline: Lessons for the Keystone XL Pipeline Debate. Joel Griffith is a research associate for the chief economist at The... Citing various environmental and economic objections, in April, the Obama Administration again delayed construction of the Keystone XL Pipeline, this time until at least early 2015.
Stretch marks are often associated with pregnancy, which is why they are more common in women, but they can appear whenever your body is going through rapid changes, such as during puberty or times of great weight loss or gain.
Any increase in your body's size can lead to stretch marks, not just an increase from a buildup of fat. When you lift weights and your muscles get bigger, the skin around those muscles gets stretched. This can lead to stretch marks, often seen on the backs of your arms or the tops of your thighs. Genetics also plays a factor; if you have a family history of stretch marks, regardless of the reason for marks, you're more likely to develop them.