Hi dr samuel, firstly thankyou for your time, iam a male my name is ben 42 years of age 6 months ,ago i caught pneumonia, which in short gave me gave me heart arrythmia, take anitbiotics, i.v. which fixed the pneaumonia , but then had cardioversion , heart back into normal rythym now, never had high blood pressure , but doctor put me on beta blocker and bisosprol and coversyl, iam experiencing side effects from , the tablets anxiety , impotence, and just not feeling myself, iam wondering why i need them if my heart is in normal rythm and dont have blood pressure , he said just as a preventive , to keep your heart healthy, so it never happens again , i was very active and it has just slowed me right down , lost alot of drive and enthusiasam , is there any natural alternatives , should i seek a 2nd oppinion , he said we dont have any journals or references we can look up to c how people go off them , so just keep taking them ,