I am revisiting my PRINCIPLES OF INTERNAL MEDICINE, circa 1958 (1800 pages). What fun. Treatment for BP was phenobarbitol 3x a day...can you IMAGINE, how comatose the "victims" must have been.
And the RICE DIET:
At least 8 weeks of nothing but rice which gave you
200 mg. of sodium PER DAY, 25 Gm protein and 2000 non-protein calories (so a 2100 calorie diet- ALL RICE.)
At the time the AHA recommended that people with hypertension get NO MORE than
500mg. sodium per day day in/day out.
I get more than that merely WALKING through the canned food aisle at ShopRite.
Incidentally, 1958 may have been the year that thiazides were patented, it's close.
I HAD an early 40's version of the PIM (at nearly 3000pages) too but it "disappeared"...they treated syphilis with MERCURY!
I guess we will all laugh 50 years from now (those that are left, not me

) reading through antiquated methodology in the 2005 PIM, if books still exist.
It's so wonderful though to read a topic in a textbook from start to finish, rather than the piecemeal droppings that Google considers noteworthy, or is paid to place near the top of its listing.