The title that best expresses the main theme of this article is.
smart pills.
Immortal Vitamins.
Wearable Treatment.
Medical Research.
It is indirectly stated that the main medical apparatus mentioned in the article is.
user-friendly.
miniature.
well-prepared.
expensive.
According to Hoefer's words, we can conclude that.
the previous ideas of medical products are not effective enough.