Hi it is due to heavy work or stress .
Try to stay calm all the time. Don't over react to the situations.
Go and take one course of ayurvedic body massage which reduces your problem little bit.
It is not an exact treatment but it give u a releif.
For proper treatment need your detailed history.
Next Steps
and observe your bowel movements, digestion, weight etc .
Health Tips
for any query you can consult online.
Thank you.