http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Men's sperm quality may be significantly affected by their levels of physical activity, according to a new study led by researchers at Harvard School of Public Health (HSPH). They found that healthy young men who were sedentary, as measured by hours of TV viewing, had lower sperm counts than those who were the most physically active. http://medicalxpress.com/news/2013-02-tv-viewing-habits-significantly-affect.html Health Mon, 04 Feb 2013 18:30:01 EST news279198452 Many Americans have fatalistic views on cancer prevention—they believe that getting cancer is a matter of luck or fate. Recent research, published in the Journal of Communication, found that people who use the internet to inquire about their health are more likely to have a positive outlook on cancer prevention and diagnosis. http://medicalxpress.com/news/2012-12-internet-fatalistic-view-cancer.html Cancer Mon, 10 Dec 2012 12:45:39 EST news274365931 (Medical Xpress) -- It's no surprise that TV viewing has an effect on our eating habits, but a new study shows that even pre-schoolers planted in front of the set are more prone to eating sweets and salty foods instead of fruits and vegetables. http://medicalxpress.com/news/2011-12-pre-schoolers-sweets-tv-limited.html Health Wed, 07 Dec 2011 07:39:52 EST news242465985 Physical activity will definitely lower children's chances of developing cardiovascular disease down the road, but physical inactivity will not necessarily increase it. Findings from a recent Queen's University study shows different kinds of sedentary behaviour may have different consequences for young people's health. http://medicalxpress.com/news/2011-11-tv-viewing-poses-greater-cardiovascular.html Health Wed, 16 Nov 2011 15:53:24 EST news240681186 Watching TV for an average of six hours a day could shorten the viewer's life expectancy by almost five years, indicates research published online in the British Journal of Sports Medicine. http://medicalxpress.com/news/2011-08-daily-tv-quota-hours-shorten.html Health Tue, 16 Aug 2011 03:39:20 EST news232684737 Watching television is the most common daily activity apart from work and sleep in many parts of the world, but it is time for people to change their viewing habits. According to a new study from Harvard School of Public Health (HSPH) researchers, prolonged TV viewing was associated with increased risk of type 2 diabetes, cardiovascular disease, and premature death. http://medicalxpress.com/news/2011-06-prolonged-tv-viewing-linked-diabetes.html Health Tue, 14 Jun 2011 17:05:36 EST news227289909