Millions of Americans drink at least one cup of coffee every day. Of course, many drink a lot more than that.

While 400 milligrams of caffeine is the recommended limit, some people have a much lower threshold.
Registered Dietician Julia Zumpano with Cleveland Clinic explained when you consume too much caffeine, it can cause a headache, make you feel jittery or anxious, and increase your heart rate. It can also disrupt your sleep.

Hear her suggestions on some other warm beverages she thinks might be better if you’re trying to lower that caffeine intake, by watching the video.