Many believe modern science is pure and uncontaminated.
I wish it to be true , But reality mirror tells a different story !
The following “spheres of knowledge” collectively form the cardiology literature .
How much ? each sphere , contribute is any body’s guess !
The same rule might apply in all medical specialties.
Readers are argued to add more spheres of knowledge.
The seventh sphere may be Eg : “Commerce based cardiology “
Dr.S.Venkatesan MD 