¿Qué hay en un cigarrillo?

The video discusses the severe health risks associated with smoking cigarettes, highlighting that tobacco contains over 4000 toxic substances, including carcinogens like benzene. Smoking can lead to serious diseases, damaging nearly every organ and causing the death of half of regular smokers. Despite these dangers, nicotine addiction makes quitting difficult, as it stimulates dopamine release, creating feelings of pleasure and reward.

How does nicotine affect the brain and contribute to the difficulty of quitting smoking?

What percentage of regular smokers are expected to die from their habit?