Match the heading to the short text.

Fast food leads to an increase in weight or thousands of other health problems in teenagers. Junk food gives rise to many health problems such as constipation, indigestion, food poisoning and many other disorders. Some parents are helpless as they cannot advise their grown-up children regarding their food habits.

• HEALTH PROBLEMS
• THEY ARE ALWAYS UNDER THE CONTROL
• NUMEROUS PROBLEMS CAUSE HEALTH DISORDERS
• THE GREATEST CHALLENGE
• THEY SHOULD LEARN THEIR CERTAIN MORALS AND PRINCIPLES
• THEY HAVE TO HELP THEIR CHILDREN
• THE BAD EFFECT
• THEY ARE WORRIED ABOUT THEIR NUTRITION
• THE BAD HABIT
• THEY SHOULD BE INTERESTED IN TEENS' ACHIEVEMENTS