Health Tips6 Reasons why junk food is bad for health September 17, 2018September 16, 2018 - by desunhospital - Leave a Comment Presence of nitrates Large amount of fat that may cause artery blockades and can increase risk of heart attack, stroke High in sugar level and certainly bad for diabetics and also non-diabetics as it spikes glucose level in blood Plenty of salt is bad for people with high blood pressure and also people with normal blood pressure. Salt is bad for kidneys too Lack of nutrition Junk food causes digestion related problems , liver problems Expert’s advice recommended