Caffeine sensitivity - what determines how caffeine affects us?

 This week: Why are some people exquisitely sensitive to caffeine, while others can enjoy a large cup of black coffee right before bedtime and sleep like babies? There's an answer to this question.  And - sick sinus syndrome

Someone forward you this email? No Sweat! Sign up here to get your own If you're having trouble viewing this email, click here Follow Us Caffeine sensitivity - what determines how caffeine affects us?  This week: Why are some people exquisitely sensitive to caffeine, while others can enjoy a large cup of black coffee right before bedtime and sleep like babies? There's an answer to this question.  And - sick sinus syndrome Richard N. Fogoros, M.D. Heart Disease Expert Caffeine sensitivity - what determines how caffeine affects us? Caffeine sensitivity is determined by a number of factors, including age, sex, and - especially - our genetic makeup. READ NOW Sick Sinus Syndrome In sick sinus syndrome, disease in the heart's sinus node is severe enough to produce symptoms related to bradycardia (slow heart rate). In addition, sick sinus syndrome is often accompanied by atrial fibrillation. READ NOW What Is Sinus Bradycardia? In sinus bradycardia, a slow heart rate occurs because the heart's sinus node is generating the electrical signals that regulate the heart rhythm at a relatively reduced rate. Sometimes sinus bradycardia is normal, but at other times it requires treatment. READ NOW Coffee And Your Heart Coffee has gotten a bad rap over the years regarding cardiovascular health - but recent studies show that, in moderation and for most people, coffee drinking may actually be healthful. READ NOW Secret Cardiology on Facebook  Here is a Facebook page featuring issues related to your heart, that your cardiologist would rather not talk about.  READ NOW Featured Articles • How to Rev Up Your Metabolism and Burn More Calories • What do do if you're not losing weight • Why The Heartbreak Diet Really Works • Celebrity Babies Due in 2016 • The Sugar You're Eating Without Even Knowing It • Get Better Flip Flops for Happier Feet • 5 Yoga Poses That Will Help Improve Your Posture • 5 Strategies to Add Sizzle to Your Senior Sex Life Advertisement About Heart Disease  |  Follow Us You are receiving this newsletter because you subscribed to the Heart Disease newsletter. If you wish to unsubscribe, please click here 1500 Broadway, 6th Floor, New York, NY, 10036 © 2015 About.com - All rights reserved. Privacy Policy.