Chain-smoking is when you constantly or continually smoke cigarettes. You might finish one cigarette and then instantly light up another or be a frequent smoker with short breaks between each ...

New research uncovers how heavy smoking rapidly disrupts blood and airway biology, revealing the hidden damage that accelerates disease risk in otherwise healthy adults. Study: The effects of heavy ...

Please provide your email address to receive an email when new articles are posted on . Those who smoked more than 20 packs a year had more than four times the risk for cryptogenic ischemic stroke vs.