If you have nasal congestion, sinusitis, bloating, diarrhea, gas and constipation then you may have Candida (bad bacteria) overgrowth. It occurs in colon/ bowels. It cases the immune suppression and then may causes so many other fatigues. Avoid consuming sugar and sugar products and sweets to slow down the overgrowth of Candida/Yeast. You can eat fruits but should not consume sugar and all source of sugar. Whole wheat bread and whole fruits and washed raw vegetables are good to eat. If it is hard for you leave the habit of sugar then use sweetener as a substitute. Our diets include so many added sugar that makes the diet disaster. Sugar slow down the immune system help Candida yeast to overgrowth. Consume plain yogurt every day especially in the morning before breakfast after taking plain yogurt drink whole glass of clean crystal water. Start your breakfast 45 minutes after having yogurt for 6 months it will help you control your symptoms of bloating, diarrhea and gas problem.