What are "minimally-invasive treatments"?

What are "minimally-invasive treatments"?

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Minimally invasive treatments are usually considered to be procedures where either a laser or a needle is involved, rather than a scalpel or a knife. Examples of minimally invasive treatments are treatments such as Botox, which is an injection, or Restalin or Perllain, which are also injections. Even something such as a laser treatment is minimally invasive. Again, minimally invasive is a treatment not involving a scalpel or a knife.