As far as i know it is decided by the nature. the only thing that we can do is maintain our physical and mental health. specially mental health if you are older than 70 years. because our hormones do many things which we still haven't found. and hormones have close relationship with our mind. so, if...

According to the WHO publications, Metformin has many side effect when its taking for longer time. The toxicity of Metformin is well-known in cases of metabolic impairment due to liver and kidney diseases. Its toxicity, by being mainly associated with lactic acidosis can occur through both acute and...