Can Anxiety Be The Only Cause Of Headaches?

if you suffer from headaches not migrains and the doctors says it's tension and anxiety headaches. An Mri suggests I have minimal scattered patchy areas of T2 prolongation aqre noted within the subcortical microvascular ischemia. i also have an aortic heart valve (moderate leak). The doctor put me on all kinds of medinces and i am still suffering from headaches. what is your opinion???