Why do I need to evaluate health information?
Health information is easy to find. But finding reliable health information takes a little effort. Some of the health information you get from newspapers, magazines, books, TV, the Internet, and social media is up to date and trustworthy. But some is not. That's why it's important to evaluate health information for yourself.
But how can you tell the good from the bad? There are two key steps:
Asking a few questions will help you decide if you can trust a website. You can usually find most of the answers on the site's "About Us" page. If you can't find information about who runs the website, the site may not be trustworthy, and their health information may be unreliable. Some questions to ask are:
When you find a website that seems to be trustworthy, don't stop there. Look to see if other reliable sites have similar health information.How can I evaluate health information on social media?
A social media post may come from someone you know, but that doesn't guarantee it's good information. Many of the questions you use to evaluate a website also work for social media too. Ask where the information comes from, why it exists, and if anyone is funding it.
If you're not sure whether the information you see on social media is trustworthy, don"t share it with others.How can I evaluate health stories in the news?
Some news stories about medical research may not include all the facts you need to know. Ask these questions:
If you learn a few tips for understanding medical research, you'll be able to decide if a news story may apply to your health. Then you can discuss the information with your provider.How can I evaluate health information in books?
To evaluate health information in books, ask:
After you evaluate health information, talk with your provider before using it to make decisions that may affect your health.
NIH: National Library of Medicine
What is health literacy?
Health literacy involves the information that people need to be able to make good decisions about health. There are two parts:
Many different factors can affect a person's health literacy, including their:
Many of the same people who are at risk for limited health literacy also have health disparities. Health disparities are health differences between different groups of people. These groups may be based on age, race, gender, or other factors.Why is health literacy important?
Health literacy is important because it can affect your ability to:
One thing that you can do is to make sure that you communicate well with your health care providers. If you don't understand something a provider tells you, ask them to explain it to you so that you understand. You can also ask the provider to write down their instructions.
You've probably seen your chart at your doctor's office. In fact, you may have charts at several doctors' offices. If you've been in the hospital, you have a chart there, too. These charts are your medical records. They may be on paper or electronic. To keep track of all this information, it's a good idea to keep your own personal health record.
What kind of information would you put in a personal health record? You could start with:
Your family history includes health information about you and your close relatives. Families have many factors in common, including their genes, environment, and lifestyle. Looking at these factors can help you figure out whether you have a higher risk for certain health problems, such as heart disease, stroke, and cancer.
Having a family member with a disease raises your risk, but it does not mean that you will definitely get it. Knowing that you are at risk gives you a chance to reduce that risk by following a healthier lifestyle and getting tested as needed.
You can get started by talking to your relatives about their health. Draw a family tree and add the health information. Having copies of medical records and death certificates is also helpful.
Centers for Disease Control and Prevention
What is blood glucose?
Blood glucose, or blood sugar, is the main sugar found in your blood. It is your body's primary source of energy. It comes from the food you eat. Your body breaks down most of that food into glucose and releases it into your bloodstream. When your blood glucose goes up, it signals your pancreas to release insulin. Insulin is a hormone that helps the glucose get into your cells to be used for energy.What is diabetes?
Diabetes is a disease in which your blood glucose levels are too high. When you have diabetes, your body doesn't make enough insulin, can't use it as well as it should, or both. Too much glucose stays in your blood and doesn't reach your cells. Over time, having too much glucose in your blood can cause serious health problems (diabetes complications). So if you have diabetes, it's important to keep your blood glucose levels within your target range.What are blood glucose targets?
If you have diabetes, your blood glucose target is the range you try to reach as much as possible. The typical targets are:
Your blood glucose targets may be different, depending on your age, any additional health problems you have, and other factors. Talk with your health care team about the best target range for you.When and how should I check my blood glucose?
If you have diabetes, you'll likely need to check your blood glucose every day to make sure that your blood glucose numbers are in your target range. Some people may need to check their blood glucose several times a day. Ask your health care team how often you need to check it.
The most common way to check your blood glucose level at home is with a blood glucose meter. A blood glucose meter measures the amount of glucose in a small sample of blood, usually from your fingertip.
Continuous glucose monitoring (CGM) is another way to check your glucose levels. Most CGM systems use a tiny sensor that is inserted under your skin. The sensor measures your glucose level every few minutes. It can show changes in your glucose level throughout the day and night. A CGM system is especially useful for people who take insulin and have problems with low blood glucose.
Your provider will also check your blood glucose with a blood test called an A1C. It checks your average blood glucose level over the past three months. People with diabetes usually have an A1C test at least twice a year. But you may need the test more often if you aren't meeting your diabetes treatment goals.What happens if my blood glucose level becomes too high?
High blood glucose is called hyperglycemia. Symptoms that your blood glucose levels may be too high include:
If you often have high blood glucose levels or symptoms of high blood glucose, talk with your health care team. You may need a change in your diabetes meal plan, physical activity plan, or diabetes medicines.
High blood glucose may also be caused by other conditions that can affect insulin or glucose levels in your blood. These conditions include problems with your pancreas or adrenal glands.What happens if my blood glucose level becomes low for me?
Hypoglycemia, also called low blood glucose, happens when your blood glucose level drops below what is healthy for you . For many people with diabetes, this means a blood glucose reading lower than 70 mg/dL. Your number might be different, so check with your health care team to find out what blood glucose level is low for you.
Symptoms of low blood glucose tend to come on quickly. The symptoms can be different for everyone, but they may include:
Low blood glucose levels can be common in people with type 1 diabetes and people with type 2 diabetes who take certain diabetes medicines. If you think you may have low blood glucose, check your level, even if you don't have symptoms. Low blood glucose can be dangerous and should be treated as soon as possible.
Although it's rare, you can still get low blood glucose without having diabetes. The causes can include conditions such as liver disease, kidney disease, and hormone deficiencies (lack of certain hormones). Some medicines, such as certain heart medicines and antibiotics, can also cause it. See your provider to find out the cause of your low blood glucose and how to treat it.
NIH: National Institute of Diabetes and Digestive and Kidney Diseases
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