Answer:
Vaccines have been around since 1796 preventing people from diseases and decreasing death rates. I believe due to the modern vaccines and medicine people have been living longer than life expectancies in the 1700's and 1800’s, which was between 30 and 40 years. Vaccines train the human body to recognize viruses or bacteria and the antigens (molecule capable of inducing an immune response) will start attacking the virus or bacteria before it tries to spread and cause sickness once it is has recognized it. However, vaccines are not always 100% safe because they can come with side effects. For example, the Hepatitis B vaccine had a severe allergic reaction, called anaphylaxis which caused difficulty breathing, dizziness, and skin rashes for a few people.
Nuclear medicine is non-invasive.
Answer:
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Answer: Asking a doctor questions when something doesn't feel right
Explanation: Sharing your concerns with a medical professional is the most important part of being proactive. Even if your concerns are only suspicions at the time the doctor will use best diagnostics to exclude or identify a problem.
Delaying sharing such concerns may potentially mean loss of valuable time in a treatment. Self-diagnosis is prone to error and online source may be biased/misleading.
Extra flossing may be good, but won't replace dental checkups.
Using home remedies is more often than not unreliable and, while are certainly free to use them, does not represent the idea of being proactive with your health.
I think that oxygen is needed , because it helps elevate the blood level and help oxygen spread to your brain/ heart.
