A large Korean study published in 2021 examined the effects of quitting smoking, reducing smoking by 50% or more, reducing smoking by 2050%, sustaining the same level of smoking, or increasing smoking on a persons risk of cardiovascular disease (stroke and heart attack)
Doohan would pass away in 2005, due to an illness believed to have been caused by exposure to hazardous substances during the war
In hospitals, it has spread to healthcare workers NOT wearing appropriate protective equipment (masks, gowns, gloves)
For men, it can lower testosterone levels, which are crucial for libido and muscle strength
Cotinine is oxidized by the liver