What is happening is to a small number of people.
This is a fraud like in any corporate business ventures; medical field may also be susceptible to such malpractices.

However, heartening fact is millions of patients suffering from life-threatening illnesses are surviving today because of path breaking discovery of lifesaving medicines particularly in diseases like Cancer, Kidney failure, Diabetes mellitus, Heart disease to name a few;
in this background such propaganda should be taken with caution by all right thinking people.
(From: our family doctor).

JIRARA's observations:

Doctors reduce or increase the ranges/levels for/of our cholesterol, BP, and Sugar, so that more of us are afraid, and take more of the prescribed drugs.

One specialist had told us to skip the dosages once in a week or two to reduce the side effects of such drugs.