Smoking shrinks the brain and effectively causes premature brain aging, according to a new study. Quitting smoking prevents further loss of brain tissue but doesn't restore the brain to its original ...

It's no secret that smoking is extremely detrimental to health. Tobacco smoke contains thousands of chemicals, including carcinogens, increasing the risk of cancer, cardiovascular and respiratory ...

Smoking decreases blood oxygen and makes the heart and lungs work harder, leading to fatigue. Nicotine in tobacco can also cause an adrenaline rush, leaving someone feeling tired when it wears off.

Since the discovery of the connection between cigarette smoking and lung cancer in the 1940s and '50s, many other effects of smoking have been recognized. The present report aimed to identify those ...

Cigarette smoke triggers a complex cascade of inflammatory and structural changes in the asthmatic airway. Constituents of tobacco smoke breach the epithelial barrier, generating reactive oxygen ...

Social smoking—smoking sporadically and only in social settings—can be seen as a harmless vice. But does it carry the same ...

Long-term exposure to the harmful substances in tobacco increases the risk of many conditions, including stroke. People who smoke 20 cigarettes daily are six times more likely to have a stroke than ...

How much you smoke and how long you’ve smoked can affect the chances of developing esophageal cancer. Smoking can harm almost every organ in your body. It increases the risk of all-cause death and is ...

Smoking shrinks the brain, according to a study by researchers at Washington University School of Medicine in St. Louis. The good news is that quitting smoking prevents further loss of brain tissue — ...