This is Dr. David
you could have a bowel allergy or a bowel sensitivity
sensitivity to gluten wheat protein or lactose milk sugar or sensitivity to casein milk protein can cause bloating.
drinking sodas can cause bloating.
regular walking and exercise can help reduce bloating.
excessive stomach acid can cause bloating.
at your age of 50, your estrogen levels could be declining if you are entering into menopause.
have you tried to avoid gluten or dairy and milk and see if this would help your symptoms?