Metformin: Pros and Cons
Abstract
Metformin was approved for the treatment of Type 2 Diabetes Mellitus in 1958 for UK, in 1972 for Canada and in 1995 by FDA in USA. Metformin is the drug of choice for patients who are obese and have type 2 diabetes mellitus. Though metformin was at first proven to treat hyperglycemia, many other uses of metformin are proven to be effective. It is also used for gestational diabetes mellitus, obesity, hyper secretion of ovarian androgen, poly-cystic ovary syndrome (PCOS), anti-psychotic therapy induced weight gain, cancer treatment and anti-aging. Metformin causes a decrease in appetite thus known to act on obesity. The other action of metformin is reduction of circulating levels of insulin and insulin like growth factor 1 (IGF-1) which is associated with anticancer action. There are ongoing researches about the effect of metformin on anti-aging properties and proved that metformin is linked with anti-aging factors. Three main factors that are related with aging are oxidation, glaciation and methylation. Metformin as all drugs, have unwanted effects as well. Many side effects of metformin are considered mild where lactic acidosis and vitamin B12 deficiency happens to be the major.
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