Rabbi Dr. Shai Held's book "Judaism is about Love" delves into the distinction between two types of love in Judaism: ahavah rabbah (abundant, passionate love) and ahavat olam (abiding, eternal love).

The text discusses the concept of Nezirut, or Nazir, which is the act of taking a vow to abstain from cutting hair, touching a corpse, and consuming grape products.

In the late 18th century, vaccination emerged as a method to prevent smallpox, despite being controversial due to risks.