Hi my name is Twan and I'm 18 and for a year I've been expieriencing problems in my left leg in body.ive been expieriencing a blister under my foot at my heel that's been their for a year n it feels like something is sticking me on the top of my foot.i expierience pins n needles but not often.i also expieriences strong pulsations throughout my body.i went to the doctor and my blood pressure was good n no signs of diabetes.what can be the possibility of my health issue?