Helooo , thanks for contacting healthcare.
To avoid gas problems, Drink more water per day.
Avoid spicy foods.
Do regular exercise or
yoga.
Avoid junk foods.
Avoid stressful condition.
In your diet take less gas forming foods like
cabbage and cauliflower.
In your lunch take buttermilk.
Take milk with cinnamon that reduce gas in stomach.
Drink ginger juice or tea that relieve gas problems.
Garlic is best for relieving gas problems.
Eat more fibers food that improve your digestion.
Drink fruit juice and eat green vegetables also.
long term problem of gas also because of some infectious condition .Take antibiotics in infection condition.
Properly chew a foods that easily digest a foods.
A wish you a good health.
Thanks.