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High blood pressure (hypertension) is a common problem in the United States. It's even more common in African Americans than among other ethnic groups. The rate of high blood pressure in African Americans is among the highest of any ethnic group in the United States.
African Americans are at a higher risk for high blood pressure. They also get it at a younger age, and suffer more of the complications. The problem is not limited to just adults. African-American preteens that are overweight may also develop high blood pressure.
High blood pressure can affect your health in major ways. It is a main risk factor for health problems that can cut your life short, such as:
Blood vessel disease
High blood pressure also causes many other problems including erectile dysfunction and vision loss. But high blood pressure can be controlled and possibly prevented.
Blood pressure is the push of blood against the walls of your arteries. Blood pressure depends on two things: how hard your heart pumps the blood and the amount of resistance in your arteries to blood flow. Blood pressure is recorded as two numbers. The systolic pressure is the top number. This is the pressure against artery walls as the heart beats. The bottom number is the diastolic pressure. This is the pressure against artery walls as the heart relaxes between beats. Both numbers are important to tell if your blood pressure is too high.
Experts don't know why most people get high blood pressure. Certain risk factors, however, make it more likely. Some factors can’t be changed, but others can. These are the risk factors for high blood pressure:
Age. The risk for high blood pressure increases with age.
Male gender. Men have a higher risk of developing high blood pressure earlier in life.
Family history. This means that you have blood relatives who have high blood pressure.
Overweight or obesity.
Alcohol. The risk goes up for anyone drinking more than average: two drinks per day for men and one drink per day for women.
Too little exercise. The recommended amount of exercise is an average of 40 minutes of moderately to high intensity activity 3 to 4 days a week.
Sensitivity to sodium (salt). In some people, eating too much salt leads to high blood pressure.
Type 2 diabetes, gout, or kidney disease.
Pregnancy. Some women who do not have high blood pressure develop it during pregnancy.
Certain medicines or herbal supplements. Taking certain medicines and herbal supplements can raise blood pressure in some people. Common ones include steroids, ibuprofen, and diet pills.
It was once thought that certain genetic and biological differences caused the risk to be greater in African Americans. Experts are now looking into how socioeconomic disadvantages and lifestyle factors may add to these risks. African Americans are more likely to:
Be sensitive to the effects of salt on blood pressure
Have blood vessels that are more sensitive
Be overweight or obese
Have diabetes than non-Hispanic whites
Other things that may make up for the difference in high blood pressure risk are:
Less access to health care and healthcare information
Lower levels of education and income
Lack of resources for a healthy lifestyle
Stressful lifestyle from things such as unemployment and living in neighborhoods with noise, violence, and poverty
Diets high in salt, fat, and sugar, and low in vegetables and fiber
African Americans may not be aware of the dangers of high blood pressure. Mild to moderate high blood pressure usually does not cause symptoms. But early treatment of high blood pressure helps prevent complications that may cut your life short. Anyone with any of the following health problems should have his or her blood pressure checked at least once a year:
Blood relatives who have had a stroke, heart attack, high blood pressure, or kidney disease
Type 2 diabetes
Overweight or obesity
If you have high blood pressure or prehypertension, you can lower your blood pressure by making changes in your lifestyle. Your healthcare provider can help you find what changes you need to make and how to make them.
These are the basics of a healthy lifestyle:
Don't smoke or quit smoking
Keep yourself at a healthy weight, or a body mass index below 25
Get at least 30 minutes of moderate exercise most days
Buy low-salt or salt-free foods, and use little or no table salt
Eat 2 cups of fruit and 2.5 cups of different colored vegetables a day
Eat fewer foods from animals to avoid saturated fat
Use only nonfat or low-fat dairy products
Drink fewer sugary drinks
Limit how much alcohol you drink. This means no more than 2 drinks a day for men and 1 drink a day for women.
If lifestyle changes do not lower your blood pressure enough, then you may need to take medicine. Often people need to take several different medicines to drop their blood pressure to a normal level. There are two types of medicines that seem to work better at lowering blood pressure among African Americans. These are thiazide diuretics and long-acting calcium channel blockers. Treating other chronic health problems, such as type 2 diabetes, is also important.
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