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Editorial (Dr SS Agarwal, Dr K K Aggarwal)
9th May 2016
IMA White Paper on Electronic cigarettes
  • Electronic cigarettes or e-cigarettes are a type of electronic nicotine delivery system.
  • They are battery-operated devices that heat a liquid to produce a vapor that the user inhales.
  • E-cigarettes were invented in 2003 in China.
  • Compared with nonusers and conventional cigarette smokers, e-cigarette users are younger, more educated and have higher incomes.
  • First-generation e-cigarettes mimic the shape and size of conventional cigarettes and may be referred to as "cigalikes."  Second-generation e-cigarettes are larger than conventional cigarettes and are either pen-style (medium size) or tank-style (large size). Third-generation e-cigarettes are known as "personalized vapors."
  • Unlike conventional cigarettes, which burn tobacco and generate smoke, e-cigarettes have a cartridge containing a liquid (sometimes referred to as "e-liquid"), which contains nicotine and other constituents. The liquid is heated to produce a vapor the user inhales
  • Across all brands, the main components of the liquid vaporized are nicotine, propylene glycol or glycerol, and flavorings.
  • The nicotine content of e-cigarettes and liquids vary and usually range from none (nicotine-free) up to 36 mg/mL. Common nicotine concentrations of e-cigarette liquids are 6 mg/mL, 12 mg/mL, 18 mg/mL, or 24 mg/mL.
  • Propylene glycol or glycerol is the main component of most e-cigarette liquids; some products may use ethylene glycol.
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After the age of 50 focus only on upper blood pressure
For patients over 50, doctors only need to monitor the upper systolic blood pressure, and can ignore the lower diastolic blood pressure reading, said,  Padma Shri Awardee, Dr KK Aggarwal, President Heart Care Foundation of India and Honorary Secretary General IMA.

Systolic blood pressure - the top number in a blood pressure reading - is the pressure exerted at the beginning of the heart's pumping cycle, while diastolic pressure records the lowest pressure during the resting cycle of the heart. Both pressures are routinely measured when recording the blood pressure.
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