Especially what Southeast Asian historian Mary Kilcline Cody called, the White Mans burden of British colonists
While tobacco eases stress or anxiety, nicotine, and other chemicals in tobacco products heighten stress and anxiety levels
Dr Devendra Kumar Singh, senior consultant in respiratory medicine at ShardaCare Healthcity, Greater Noida, adds, Quitting lowers the risk of heart disease , respiratory conditions , and some types of cancer, regardless of age or smoking history. Even after decades of smoking, improvement in lung function, and overall immune strength can be seen thanks to the body's remarkable capacity for self-healing. Some immediate effects Dr Singh notes that the body starts to respond favourably to stopping smoking quickly for even someone who has been smoking for years, and: Blood carbon monoxide levels fall within the first 24 hours, allowing oxygen levels to return to normal
They use a chemical reaction to detect CO levels and trigger an alarm