Nope.
But it can help diagnosing if you got cancer by confirming it's something else.
To detect cancer you need to do Biopsy
A sample of the donator's blood is collected at the time of donation and tested for infectious diseases. Blood is not used until the results from these tests confirm that it is safe.
Chlamydia is not a blood-borne diseases. Plasma centers and blood banks do not test for it. Get yourself tested if you're at risk.
The main purpose of regulation is to ensure the quality of blood and to prevent the transmission of infectious diseases through donated blood. Before blood and blood products are used, they are extensively tested
The blood donated by healthy persons is tested to ensure that the level of hemoglobin is satisfactory and that there is no risk of transmitting certain diseases, such as AIDS or hepatitis.
When blood is donated, samples are tested for several diseases, such as HIV. If a sample comes back positive for infection, it's discarded, and the donor is notified.
It is not necessary for you to know your blood type in order to donate blood. Each blood donation is processed and tested in order to establish the blood type as well as the presence of infectious diseases. Your blood will be processed in this manner regardless of your knowledge of your blood type.
Before you donate blood, your blood is tested for sexually transmitted diseases such as AIDS, HIV, Gonorrhea, Hepatitis, viral diseases such as influenza and bacterial diseases such as tuberculosis, pneumonia.
A person who studies blood and the diseases of the blood is a hematologist.
Military recruits are typically blood tested for various conditions and diseases, including but not limited to, HIV/AIDS, hepatitis, syphilis, and other sexually transmitted infections. The purpose of these blood tests is to ensure the health and safety of the recruits and to prevent the spread of communicable diseases within the military population. Additionally, blood tests may also be conducted to check for certain immunizations and assess general health indicators.
A scientist who studies blood and diseases is called a hematologist. Hematology is the branch of medicine dealing with the study of blood, the blood-forming organs, and blood diseases.
Blood work can test for various things including: levels of different blood cells, cholesterol levels, blood glucose levels, kidney and liver function, hormone levels, and presence of certain diseases or infections.
People can be tested by taking samples of blood, hair, skin, tissue, and/or amniotic fluid (fluid surrounding a baby during pregnancy). The sample(s) are then taken to a lab and examined under a microscope for evidence of disease.