Reason :
When you try to call through mobile phone, do not put your mobile closer to your ears until the recipient answers.The reason is directly after dialing, the mobile phone would use it's maximum signaling power, which is:2watts = 33dbi!!!! . So Please be careful.Please use LEFT EAR while using cell phone [mobile] and save your brain,because if you use the RIGHT EAR it will affect brain directly.
Pills even dissolve with or without water by your secretions in your GI tract. It is always preferable to take with water or liquid to dissolve pill more rapidly so that medication can work faster.