can chewing tobacco raise blood pressure Nicotine gum and high pressure: The link and risk factors Today is Great American Smokeout

Many people will sympathise with what Johnny Depp is saying about his relationship with drugs and alcohol, as it is too familiar to many of us

The short distance between the burning cannabis and your lips means heat transfers fast

About the author Chris Woodford is the author and editor of dozens of science and technology books for adults and children, including DK's worldwide bestselling Cool Stuff series and Atoms Under the Floorboards , which won the American Institute of Physics Science Writing award in 2016

Covid-19 is a virus that can lead to pneumonia and acute respiratory distress syndrome (ARDS) - both of which are respiratory conditions

show that exposure to cigarette smoke induces alterations in the innate immune response to viral infection and that these changes hasten alveolar destruction characteristic of emphysema in mice (see the related beginning on page 2771)