The Undeniable Aging Effects Of Stress

President Obama has been in office a little under two years, and there has already been talk of how the stress of being Commander in Chief has aged him. This apparent physical impact is not just in our imaginations, and it doesn't require the strain of the highest office in the land. Stress in general, studies have found, can age us in evident ways.

Because twins are destined to age in genetically identical ways, researchers looked to them to see how varying stressful life experiences further changed one's appearance. The primary example: twins who had gone through a divorce looked at least two years older than their identical siblings who were married, single, or even widowed.

Additionally, use of antidepressants appeared to make subjects look older. Researchers attribute this to the medication's tendency to cause sustained relaxation of facial muscles, which could lead to sagging.