Here are two mind blowing videos on the subject of Salt/ Sodium and the effects it has on the body. Dr. Dinicolantonio is extremely knowledgeable and helped publish over 200 scientific articles on the subject matter and wrote a book on this subject that I am currently reading and felt the need to share the information. Have a watch and see if you eat enough salt.
https://www.amazon.com/Salt-Fix-Experts-Wrong-Eating/dp/0451496965/ref=sr_1_1?ie=UTF8&qid=1542403445&sr=8-1&keywords=the+salt+fix+by+dr+james+dinicolantonio