

|
|
Caffeine is a naturally occurring stimulant found in the leaves, seeds, or fruit of over sixty plants around the world. Caffeine exists in the coffee bean in Arabia, the tea leaf in China, the kola nut in West Africa, and the cocoa bean in Mexico.
|
|
It is a central nervous system stimulant and a diuretic.Caffeine is absorbed and distributed very quickly. After absorption, it passes into the brain.Caffeine does not accumulate in the bloodstream nor is it stored in the body.
|
|
A slew of studies in the last 40 years have addressed coffee's impact on older Americans—especially the effects of caffeine. All in all, the news is good.
|
|
Caffeine is a drug that stimulates the central nervous system(CNS). Caffeine is found naturally in coffee, kola seed kernels or nuts( Cola nidtida), and a variety of teas.
|
|
Researchers say "moderate" caffeine intake doesn't pose a significant health risk, even for people 65 and older. But the experts are talking about people who don't have a special health problem, such as heart disease or high blood pressure. And "moderate" means 300 milligrams a day.
|
|
Caffeine can cause withdrawal symptoms, and its stimulant effects may provide less benefit than is commonly believed.
|
|
Can caffeine make a woman's breasts hurt?
Joan Bengtson, M.D., is assistant professor of obstetrics, gynecology and reproductive biology at Harvard Medical School and a member of the Department of Obstetrics, Gynecology & Reproduction at Brigham and Women's Hospital.
|
|
A recent study alleviates concerns about coffee's role in heart disease and stroke and makes observations about coffee's physiological effects.
|
|
New studies suggest coffee may not be bad for you, as is generally supposed, and it may even have some benefits.
|
|
During the early stages of pregnancy, can you drink coffee? My partner works nights and drinks a lot of coffee. Are there other, safer alternatives to the caffeine from coffee?
|
|
The effect of alcohol consumption on the body depends on how often it is consumed, how much, and the alcohol content of the drinks. Frequent alcohol use may encourage alcohol dependence or alcoholism.
|
|
Alcohol use involves drinking alcohol, which is produced by fermenting the starch or sugar in fruits and grains.Beer consumption; Wine consumption; Hard liquor consumption.People have been drinking alcoholic beverages since prehistoric times. The ...
|
|
This report includes information on recognizing the symptoms of problem drinking, treatment techniques, coping with a loved one's drinking, and overcoming denial.
|
|
Researchers at the Harvard Medical School have discovered that the herb kudzu can curb the urge to drink alcohol.
|
|
Alcohol is considered a drug because it depresses the central nervous system and can disrupt mental and motor skills, as well as damage internal organs when used excessively.
|
|
It helps to understand why and when you drink if you are going to successfully reduce the amount of alcohol you consume.
|
|
As a woman, your body is much more sensitive to the effects of alcohol and more easily damaged than a man's body. Because women have less water in their body than men, alcohol doesn't dilute as much and more of it gets absorbed into the blood. That's why women suffer greater physical damage and often become more intoxicated than men when they drink identical amounts of alcohol.
|
|
A Harvard Medical School physician answers your question about forsaking the potential health benefits of moderate alcohol consumption.
|
|
Excessive drinking can cause potentially fatal conditions, not only high blood pressure, but also damage to the brain, heart or liver; diabetes and stroke.
|
|
Is there any connection between rheumatoid arthritis and alcohol consumption? Does a prior history of waterborne hepatitis predispose a person to RA?
|
|
If you drink, you most likely want to drink reasonably and responsibly. But what are the factors that can help you keep a check on your blood-alcohol content so you don't embarrass yourself or, worse, hurt yourself or others?
|
|
Tips for avoiding the worst consequence of holiday overindulgence.Drinking fluids may help with the morning-after misery from getting drunk.
|
|
Alcohol-dependent employees incur twice the health care costs of the average employee, are more likely to steal from their employers, are more likely to be involved in workplace accidents and are five times more likely to file worker's compensation claims.
|
|
|
Smoking is the inhalation of the smoke of burning tobacco encased in cigarettes, pipes, and cigars. Casual smoking is the act of smoking only occasionally, usually in a social situation or to relieve stress.
|
![]() |
Question: What are the negative effects of smoking?Answer: Smokers have an increased risk of the following:Lung cancerLung diseaseHeart attackHeart diseaseHypertensionStrokeOral cancerBladder cancerPancreatic cancerCervical cancerPregnancy complic...
|
|
When you smoke, toxins are carried by your blood to every organ in your body. At the same time, the carbon monoxide in cigarette smoke keeps red blood cells from carrying as much oxygen as normal.
|
|
Adolescent smoking has risen steadily throughout the 1990s, following a sharp decline in the 1970s that leveled off in the 1980s. A 1994 report by the office of the U.S.
|
|
Right away, you may cough, wheeze, and have a sore throat—that's the tar clogging up your lungs. You may also have a headache, feel dizzy, and be nauseated—that's the nicotine in your brain. Over time, you risk lung and throat cancer, and lung diseases like emphysema and bronchitis.
|
|
|
Smoking is the inhalation of the smoke of burning tobacco encased in cigarettes, pipes, and cigars. Casual smoking is the act of smoking only occasionally, usually in a social situation or to relieve stress.
|
|
Smoking during pregnancy reduces oxygen and blood flow to your baby. This may cause bleeding problems that can put your pregnancy at risk.
|
|
Ex-smokers' risk of heart disease may eventually approach that of a lifetime nonsmoker, but their risk of lung cancer is less likely to fade, even after long periods of time.
|
|
Hear the facts about smoking from those who have been doing it for a few years. Find a smoker or two. Ask a few questions. See if their answers sound something like these.
|
|
Smoking is the inhalation of the smoke of burning tobacco that is used mostly in three forms: cigarettes, pipes, and cigars.Casual smoking is the act of smoking only occasionally, usually in a social situation or to relieve stress. A smoking habit...
|
|
Life may seem out of control, but you're really making progress. You're going through withdrawal, which is how your body recovers from smoking.
|
|
One of the major triggers for asthma attacks is cigarette smoke. Cigarette, pipe, or cigar smoke is especially harmful to people with asthma because it damages the cells in the lungs that make the protective coating lining the bronchial tubes.
|
|
Detailed information on respiratory diseases and smoking, chronic bronchitis, emphysema, lung cancer
|
|
When you are trying to quit, the support of friends, coworkers and family members can make a big difference.
|
|
Quitting smoking is one of the best things you can do to keep your heart disease from getting worse. Smoking reduces oxygen flow to your heart, speeds plaque buildup, and increases your risk for heart attack.
|
|
Everybody knows smoking is bad for your health. Now here's something you may not know: Smoking is bad for your looks. It's true.
|
|
The most common reasons include: "Smoking gives me more energy. I smoke to keep from slowing down. I reach for a cigarette when I need a lift. When I'm tired, smoking perks me up."
|
|
Detailed information on teens and smoking Diseases caused by smoking kill more than 437,900 people in the United States each year; around 35 percent of these deaths were cardiovascular related. Even with anti-smoking campaigns and medical disclaimers in place, many people continue to smoke or start smoking every year. According to the American Cancer Society, 90 percent of new smokers are children and teenagers, in many cases, replacing the smokers who quit or died prematurely from a smoking-related disease.
|
|
Do you have healthy gums? You may kiss them goodbye if you're a smoker.
Do you have healthy gums? You may kiss them goodbye if you're a smoker, the American Dental Association (ADA) says.
|
|
Smoking damages your arteries, and it's thought that the damaged arteries in the discs and joints in your back may lead to pain and injury.
|
|
Teens who smoke are more likely to quit if they can be convinced to participate in a cessation program that emphasizes the health risks of smoking, provides motivational encouragement and coping skills, and encourages a healthy overall lifestyle.
|
|
For most people, the best way to quit smoking is some combination of medicine, a method to change personal habits and emotional support.
|
|
|
Smoking is an important and preventable cause of death and illness. However, as more money has been spent on smoking cessation programs, the incidence of cigarette smoking has risen.
|
|
The personal motivation list will help you identify the benefits of quitting, for you, for your family, and for your friends.
|
|
Among other things, keep a personal benefits log. Write down the benefits you experience from being smoke-free (for example, I can smell flowers again!) Write the specific occurrence, the date it first happened, and your reaction.
|
|
Every day, nearly 6,000 teens and pre-teens try cigarettes for the first time, according to the American Lung Association. A third of these first-timers will end up becoming smokers.
|
|
A smoker's recovery plan includes listing those activities that you have chosen to help reduce the pressures of nicotine withdrawal and staying smoke-free.
|
|
I know that smoking is very bad for me. I've cut down to one cigarette after lunch and another after dinner each day, with two or three more on most weekend nights when I socialize. I really enjoy smoking, but I want to know if I'm harming myself.
|
|
When people consider the cost of smoking, they usually focus on the cost of the cigarettes alone. But that's only the first step.
|
|
Detailed information on infant health There are many common problems of infancy that require clinical care by a physician or other healthcare professional. Listed in the directory below are some, for which we have provided a brief overview.
|
|
At first, all of your baby's cries may sound alike. Soon, though, you'll be able to tell a hunger cry from a fuss over a wet diaper.
|
|
A fever is a way for the body to fight infection. But it may also be a sign of a serious illness, especially in children younger than 3 months and children who haven't been immunized. Know when to seek medical care for your child.
|
|
A fever is a special cause for concern in infants younger than 3 months of age. Parents and caregivers should be most concerned with changes in eating or sleeping habits, coughing, pain or other marked changes.
|
|
This tiny newborn will change the way you and your partner see yourselves and each other. If this is your first baby, you'll have to adjust to being a parent. If you have other children, expect this one to be different.
|
|
As a new parent, you may find "tub time" a bit scary. Here are some suggestions on how to make it less stressful.
|