A. 1  The causes of gross and microscopic blood in urine (hematuria) are similar and may result from bleeding anywhere along the urinary tract. 2  Hematuria, or blood in the urine, can be either gross (visible) or microscopic (as defined by more than three to five red blood cells per high-power...
In the US, a person is considered a senior citizen at the following ages: 62 By many businesses that offer senior discounts, and limited benefits from the government. 65 most businesses and even more benefits from the government. 68 newer style benefits from the government. 70 just about everywhere. 75 by the TSA when traveling.
The senior citizen must be a state resident and meet age thresholds (usually 60+, 62+ or 65+). In some cases there may be income limits (e.g., less than $15,000 in income during the previous year). Free tuition for auditing classes is usually only on a space-available basis.