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Smoking, Health, and Quitting Smoking
#Smoking, #Smoking cessation, #E-cigarettes, #Nicotine, #Tar, #Lung cancer, #Cardiovascular disease, #COPD, #Smoking cessation medication, #Nicotine addiction, #Weakness in arms or legs, #One-sided weakness, #Chest anxiety, #Restlessness, #Unexplained worry, #Feeling down, #Lack of motivation, #Not wanting to do anything
Both regular cigarettes and e-cigarettes are harmful to health. Smoking raises the risk of many conditions, including lung cancer and other cancers, cardiovascular disease, and chronic obstructive pulmonary disease (COPD). Quitting smoking is not easy, but getting help from a medical specialist makes success more likely. If you've decided to quit, please work with a healthcare team rather than trying on your own.2026-06-26
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Structure and Function of the Lungs
#lung, #alveoli, #bronchus, #respiration, #oxygen, #carbon dioxide, #thoracic cavity, #external respiration, #lung function
The lungs are organs that play a central role in breathing. They are responsible for external respiration — delivering oxygen from the air into the blood and expelling carbon dioxide produced by the body. There is one lung on each side of the heart, and each lung is made up of roughly 500 million alveoli (tiny air sacs).2026-06-26