Re: Unexplained highs due to stress?? Home › Forums › Living with type one › Unexplained highs due to stress?? › Re: Unexplained highs due to stress?? 29 November, 2012 at 9:17 am #14430 TimKeymaster Hi Teresa – welcome to the ray on sunshine that is Shoot Up! Yup – stress and excitement definitely effect my BGs – I hit 18mmol on the day my wife was made redundant a few years ago and we had to go round and clear her desk. Very stressful and very high BG. However, that said; late twenties sounds somewhat extreme. Are you coming down with a cold? That always sends my BG high too. Mmmm….