The StarPhoenix - Health

• Heat wave: working out smart in the swelter
  Is your fitness routine wilting in the sizzle of this long, hot summer?

  
  

  
  
  
• Can secondhand smoke hurt kids' grades?
  Children and teenagers exposed to secondhand smoke at home may get poorer grades than their peers from smoke-free homes, a study of Hong Kong students suggests.

  
  

  
  
  
• When sheep can’t help you sleep
  It may not seem surprising, in a society where energy drinks, mocha-frappuccinos and 12-hour workdays are so highly valued, that North Americans aren’t getting much sleep.

  
  

  
  
  
• Some inflammatory disease drugs might be key to treating TB
  In the war against highly contagious tuberculosis, the best defence policy might be containment.

  
  

  
  
  
• Pregnancy-related diabetes likely to recur: Study
  Pregnant women with a history of pregnancy-related diabetes, also called gestational diabetes, have a good chance of developing the condition again, suggests a large new study.

  
  

  
  
  
• Calcium supplements linked to heart attacks: Study
  Ordinary calcium supplements taken by the elderly to strengthen bones may boost the risk of heart attacks, according to a study released Friday.

  
  

  
  
  
• Salt-reduction targets shaken off by industry, health minister
  The food industry on Thursday tried to dampen expectations that companies will be able to reach the voluntary sodium-reduction targets in foods blamed for playing a big part in dangerously high sodium consumption of Canadians.

  
  

  
  
  
• Wireless sensor watches blood sugar for diabetics
  Researchers have developed an implantable sensor that measures blood sugar continuously and transmits the information without wires -- a milestone, they said, in diabetes treatment.

  
  

  
  
  
• Hire scheme aims to get Londoners on bikes
  A fleet of 6,000 bicycles for hire will hit the streets of central London on Friday when the city's mayor Boris Johnson launches a scheme intended to fuel a cycling revolution in the congested capital.

  
  

  
  
  
• Bystander CPR -- no breaths necessary, studies say
  When someone collapses suddenly, mouth-to-mouth rescue breathing may not be necessary and could lower the chances of survival, researchers said in two studies on Wednesday that found chest compression alone is enough.