Regenerating

Edinburgh's Waterfront is just one of the many projects that are regenerating UK towns and cities.

Is it healthy for the kidneys to work all the time, or should they rest? Are you preventing your kidneys from replenishing themselves by drinking salt water all the time? The same goes for blood vessels. Isn't drinking salty water all day and raising blood pressure preventing the body from regenerating and resting?

Do the kidneys need to rest or are they better off working constantly? By constantly consuming salt water, aren't you preventing the kidneys from regenerating themselves? This also applies to blood vessels. Aren't we preventing the entire body from resting and regenerating by drinking salty water all day long and increasing blood pressure?