Although even early MRI systems were capable of performing MRS, the number of research and clinical scans using MRS has been considerably lower, largely due to the lower sensitivity and therefore greater technical demands of the technology
Yes, you can change your injection day or time as long as the new dose is administered at least 72 hours (three days) after the previous injection, according to FDA labeling
PMID: 19900941
These include family history, age, hormonal imbalance, obesity, high blood pressure, vitamin D deficiency, etc
Pharmacol Biochem Behav 46 : 423426 Moreau JL, Jenck F, Martin JR, Mortas P, Haefely WE