HOUSTON — Most parents know caffeine is not great for kids.recommends that children under the age of 12 not consume caffeine. For teens ages 12 through 18, it recommends only consuming 100 milligrams a day. That’s around what you would get in a regular cup of coffee. ,. is that teenagers are drinking less soda and not many of them are sitting down with a cup of black coffee. The bad news is they are turning to flavored coffee and energy drinks.
While caffeine can help with alertness and focus, long term use can cause problems, especially for teenagers. According to the Washington Post, excessive caffeine consumption in teens can affect their mood, sleep and performance at school. It can also cause side affects like stomach problems, headaches and heart palpitations.