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Blood

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Your blood is made up of liquid and solids. The liquid part, called plasma, is made of water, salts, and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells, and platelets.

Red blood cells (RBC) deliver oxygen from your lungs to your tissues and organs. White blood cells (WBC) fight infection and are part of your immune system. Platelets help blood to clot when you have a cut or wound. Bone marrow, the spongy material inside your bones, makes new blood cells. Blood cells constantly die and your body makes new ones. Red blood cells live about 120 days, and platelets live about 6 days. Some white blood cells live less than a day, but others live much longer.

There are four blood types: A, B, AB, or O. Also, blood is either Rh-positive or Rh-negative. So if you have type A blood, it's either A positive or A negative. Which type you are is important if you need a blood transfusion. And your Rh factor could be important if you become pregnant - an incompatibility between your type and the baby's could create problems.

Blood tests such as blood count tests help doctors check for certain diseases and conditions. They also help check the function of your organs and show how well treatments are working. Problems with your blood may include bleeding disorders, excessive clotting and platelet disorders. If you lose too much blood, you may need a transfusion.

NIH: National Heart, Lung, and Blood Institute

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Demographic Information - Blood

Following is the demographic information reported by website visitors for Blood. Information below may include patient demographics as well as data for website visitors who might be researching on behalf of patients e.g. parents for small children. The data below may or may not be reflective of the complete patient population demographics for this medicine/health topic.
User gender
43 out of 53 users are male.
Patients
Female10
Male43
Other0
Survey Participants: 53
User age
The most common user is 50+ years old.
Patients
< 213
21-3013
30-408
40-503
50+22
Survey Participants: 49
User reported disease
Users most commonly suffer from High blood pressure.
Patients
High blood pressure12
Diabetes4
Back pain3
High cholesterol3
Obesity3
Asthma2
Other11
Survey Participants: 38
User exercise frequency
Users most commonly exercise once a week.
Patients
Once a week22
Twice a week6
Five times a week3
Everyday15
Survey Participants: 46
User smoking habit
52 out of 67 users do not smoke.
Patients
Smoke15
Do not smoke52
Survey Participants: 67
User alcohol consumption frequency
Users most commonly reported never consuming alcohol
Patients
Never27
One drink a day1
Two drinks a day2
More than two drinks a day5
Once a week7
Twice a week1
Once a month5
Survey Participants: 48
User body weight
17 out of 50 users report being overweight.
Patients
Overweight17
Not overweight33
Survey Participants: 50
User well-being
15 out of 49 users report having significant pain in the last 3 months.
Patients
Significant pain in the last 3 months15
No significant pain in the last 3 months34
Survey Participants: 49
User profession
The most common user profession is Other.
Patients
Engineer, IT or Software9
Retired6
Accountant6
Other22
Government service4
Banker2
Survey Participants: 49

References - Blood

Last updated date

This page was last updated on 8/13/2017.
This page provides information for Blood in English.