Shoulder pain,jaw pain,left arm pain,pain in heart, palpitations, on and off allday.. can't be caused by anxiety/stress- even when relaxed? surely?

Get to the ER: It is imperative that you get to the ER to rule out a heart episode.

Pineal gland calcification Use Tamarind juice 1 oz comes as tamarind syrup which is good for detox plus it removes other chemicals - 30 day cleanse - video of same @ https://youtu.be/YitAFl8jt_8

It is not feasible to provide a meaningful opinion without taking additional history, physical examination and may be some tests. It would be prudent to see your doctor and discuss if you may be depressed.

Emergency Room. I think you call it "Casualty" in England. DoNot drive yourself, have someone take you or call for ambulance. You need immediate examination, lab tests, probably imaging. Do not delay.