Yes, sometimes excessive intake of coffee can cause chest pain due to acid reflux/heartburn. Coffee also increases heartbeat and can cause anxiety, mimicking chest discomfort. Such chest discomfort or pain must be evaluated by your physician.

yes it can sometimes cause abnormal movements with prolonged use

Do TSH and vit D test

Quadriceps exercises to be done

SLLEP FOR 7-8 HRS ADAY. AVOID USING A PILLOW.