Dr. Michael F. Roizen Health Update on Coffee, Tea, & Caffeine
Posted Aug 05 2010 12:00am
Truth about Coffee, Tea, and Caffeine?
Let's break down the top pros and cons of each:
Lowers cancer and stroke risk.The
inflammation-fighting polyphenols in just one cup a daycan lower your risks of cancer of
the mouth, pharynx, and esophagus by 50%, and stroke by 30%.
risk of Parkinson's and Alzheimer'sA 40% reduction in risk in men who
drink as little as one cup per day.
dodge type II diabetes. Risk for
diabetes dropped about 7 percent with each daily cup. Decaf coffee also
appeared to have diabetes-thwarting benefits. The lignans, chlorogenic
acids, and magnesium in coffee and tea may improve the body's regulation
of blood sugar and its release of insulin.
Improves digestion.A 12oz cup of instant coffee contains up to 3g of
fiber that helps your body absorb those polyphenols, and keeps that food
passing right on though.
Helps you live longer. 2 to 3 cups of polypheol rich coffee cuts the
risk of all deaths by 18% in women and 3% in men.
blood fats. Unfiltered coffee
can raise blood fats, so use paper filters and ditch the French press.
gain. (IF you pack it with
creamers and sweeteners.) A recent study found blended beverages (anything
other than straight coffee or tea) often pack 200 calories or more.
Drinking one daily could add 20 pounds to your frame.
breath. Sometimes the bacteria
in your stomach have trouble breaking coffee down causing them to release
odors into and out of your mouth.
migraines, abnormal heart beats, gastric upset and anxiety in some.
·It reduces your risk of heart
attack and stroke.
Flavonoids in tea decrease lousy LDL cholesterol and improve the elasticity of
your blood vessels. Downing 3 cups a day (8 ounces each) may cut your risk of
heart attack and stroke by 11% and 21%, respectively.
·Fights cancer. Made from the leaves of the
Camellia sinensis plant, tea is loaded with flavonoids, compounds that help you
stomp out disease-causing free radicals. In the lab, green tea has shaped up to
be a nemesis to colon, liver, breast and prostate cancers.
·Strengthens your teeth. Tea is rich in fluoride, needed
for strong bones and teeth. Drinking tea has also been shown to decrease
·Helps you slim down. The green tea compound
epicatechin gallate (a.k.a. EGCG) helps keep you from packing on fat and helps
fire up your metabolism. Prefer Chinese oolong? It can up your calorie burn by
3 to 4 percent for up to 2 hours.
·Fights bad gut bacteria. L-theanine also boosts immune responses to bacteria,
including the ones that cause gut-churning food poisoning. Black, green, or
oolong tea all provide a nice dose of the bacteria-thwarting compound.
·Blocks muscle pain. Why it’s a good choice before and after a hard workout.
·Fights diabetes. Studies have found the
caffeine in coffee seems to guard against diabetes because of its positive effects on the way your body processes sugar
-- Flaws in sugar processing (glucose metabolism) are the core problem with
·Increases female libido.
·Prevents Alzheimer’s. Research confirms that 6 or more cups a day decreases
the risk of memory loss or Alzheimer’s by more than 40%.
Anxiety. People who are caffeine sensitive may begin to
feel very uncomfortable
blood pressure. For those
withelevated blood pressure or
those at risk for elevated blood pressure or heart disease (overweight,
sedentary, or diabetic) it’s best to go decaf. Caffeine consumption of 300
milligrams per day causes increases in blood pressure for up toseveral hours, particularly in people
who don't normally consume it or who do but never developed a tolerance
Caffeine is a diuretic, meaning it makes you pee more frequently. Therefore, it
is not recommended for people with overactive bladders.
For those who haven’t developed
a tolerance, drinking caffeinated beverages before bed can keep you
tossing and turning until it wears off.
heart rate. (Not necessarily a
bad thing, unless you have an arrhythmia or irregular heart beat.)
acidic. If you frequently suffer
from heartburn, your stomach might start to act up.
If you don’t get your regular
fix you may experience fatigue, irritability, and headaches.
About the author:
Michael F. Roizen, M.D., is a professor of anesthesiology and
internal medicine, and is is chief
wellness officer and chair of the Wellness Institute at the Cleveland Clinic. The Wellness institute also
features Lifestyle 180 and the integrative medical clinics (with features of
medical acupuncture, rekki, obesity management and more) of the Cleveland Clinic, both located at 1950 Richmond Road in Lyndhurst.He is the co-author of 4 #1 NY Times Best Sellers including : YOU
Staying Young and YOU: The Owner’s
Manual. He airs on WKH/1420 in Cleveland and 30 stations
nationwide and streams on healthradio.netSaturdays from 5-7 p.m . E-mail him questions at YouDocs@gmail.comHe is the co-author of 4 #1 NY Times Best
Sellers including : YOU Staying Young and
YOU: The Owner’s Manual.
He is Chief Medical Consultant to the new
Dr Oz show--The Dr. Oz Show" is number two in daytime TV now---see what’s
so much fun, and what he, the Enforcer is up to. Check your local
listings or go to doctoroz.com for time and station —And for more health info, log onto