Your doctor may need to change the doses of your medications or monitor you carefully for side effects. ... Metformin side effects can also affect other parts of the body. It can leave a metallic taste in the mouth, cause heartburn or headache, flushing of the skin, nail changes or muscle pain. More serious metformin side effects include chest pain or rash. ...
Early String Theory. The first attempt to construct a physical model of an atom was made by William Thomson (later elevated to Lord Kelvin) in 1867. The most striking property of the atom was its permanence.
Related QuestionsMore Answers Below. 1  Roger Penrose says, String theory is fashion, quantum physics is faith, and cosmic inflation is fantasy.. 2  Are there any other theories, similar to quantum theory at quantum scales, for extremely large scales which can't be explained by classical ph...