 [ Symptoms ] i am 54 and 100 lbs overweight recently started zumba twice per week 7 wks ago & im feeling worse not better about 20 minutes in the zumba routine i have trouble taking deep breaths i get a headache and emotionally i want to start crying as i push myself through the hour routine my breathing and emotion gets better i wonder if something may be wrong with me or if my big body is still trying to adjust no hbp no diabetis only history of kidney stones and hypoglycemeia [ Disease ] hi here are some links that may help you did you mean formamide and methoxy ethanol <link> <link> <link> just copy into google one at a time to the www to open and read do hope this helps you and baby good luck