San Francisco weather essentials. In San Francisco, if you donât like the weather, just drive a few miles. The temperature at both ends of the mile-long Golden Gate Bridge can be 20Â°F different. Since a cityâs average temperature for the year is not helpful to travelers, here is a general breakdown of what to expect.
Vitamin D Tests. One of the more common vitamin and mineral blood tests is the vitamin D test. A vitamin D deficiency or excess can lead to problems such as bone malformation, bone weakness and improper calcium metabolism.
If blood tests reveal a vitamin deficiency, your doctor may perform other tests to determine the type and cause, such as: 1  Antibodies test. 2  Your doctor may draw a sample of your blood to check for antibodies to intrinsic factor. 3  Their presence indicates pernicious anemia. 4  Methylmalonic acid test.