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Drugs and Treatments

  • How long is my eye prescription good for

    Eyeglass lens prescriptions generally are valid for a minimum of 12 months, or the minimum required by an applicable state law. It’s very common for the expiration date for the …
  • How long are drugs detectable in blood

    Depending on the drug type and concentration, the length for which the drugs can proliferate the blood stream can significantly vary. It also depends on the drugs detection method to …
  • How long is vaccine effective for COVID-19?

    New research finds that the mRNA vaccines from Moderna and Pfizer can lose effectiveness over time. However, the initial protection will vary from person to person. Recent research finds that …