caffeine ,sugar,alcolol and white flour can over stimulate the adrenal glands which are most often affected by mercury poisoning along with many other organs ,if you have a hard time tapering of coffee or high caffeine drinks ,you can try green tea which has a quarter the caffeine than coffee and is better for your body than coffee ,honey intead of sugar if your not allegic ,whole wheat products if no problem with candida ,simple changes can make a big difference in how you feel and heal