It could be many things. It could be from slouching or sitting in a way that is causing the diaphragm to be compressed. Do not try to over straighten, just think of relaxing the muscles and allowing yourself to fall into a natural position. It could be injury from working out and doing crunches or other movements. It could be a stomach ulcer.
Another option is to blanch green beans quickly. Blanch your green beans by boiling them for 3 or 4 minutes. This removes the skin of your green beans. You want your beans to be somewhat tender, yet have a little bit of crispness to them. Determine the crispness, by how long you boil them.
Hereâs the trick with green beans. Usually we boil them. If you boil them for longer than 7 minutes, theyâll turn a brownish olive color. Itâs just a chemical reality. Tough old beans will take longer than 7 minutes to cook to tenderness, so no matter what you do, theyâll be off color by the time you eat them.