GMOs: Agricultural improvement or health threat?

dnaAt the grocery store or in the news, you’ve likely come across the controversy over products made with genetically-modified organisms, or GMOs. Scientific advances that use biotechnology to create plants that can resist disease and insects, offer higher yields and include additional nutrients have sparked fear among the public. The worry is that that genetically-modified foods will harm human health and the environment. [Read more…]

When should kids start kindergarten?

chalkboardIt’s the season when parents of incoming kindergartners register their children for school. For many parents, myself included, deciding which year children should start formal schooling is difficult. [Read more…]

Checking Up on the Science of Homosexuality

heart-1348870_640Diversity in sexual orientation—whether gay, straight, bisexual, or somewhere in between—has sparked long-standing controversies across the globe. In the United States, recent debates have centered around the civil rights for same-sex couples. In many other countries, homosexuality is considered illegal; in some, it’s punishable by death. [Read more…]

Exercise for Weight Loss?

obese1Contestants on the reality television show “The Biggest Loser” exercise for hours a day and follow restricted diets to lose dozens of pounds on the show. But a longitudinal study published this week found very few of them were able to maintain their weight loss in the years following their appearances on the show. (The New York Times published a story this week on the study and the contestants experiences.) [Read more…]

What we know about kids and screen time

kids and screen timeNew findings about screen-time for babies and kids are something I keep a close eye on.  As parent of three young children, I want to do what’s best for them. And yet I’m often tempted to use the television – “just one show” – when I need to get something done. [Read more…]

The evidence on retirement

retirementThe other day, a friend who is nearing retirement age stopped me in the gym locker room.  “I want to know what the evidence says,” she told me. “Is retirement going to be good for me?” [Read more…]

The evidence on house-hunting

houseAs I drive my children to their after-school activities, I’ve noticed more and more for sale signs along the roads around our house – a sure sign of spring!  As we approach house-hunting and moving season, it’s a good idea to look at the evidence on house-hunting. [Read more…]

Kids these days…: The evidence on teen behaviors

teenagersAt one time or another, we have all heard someone say, “Kids these days…” in the lofty tone that suggests children from generations past were better behaved, more responsible and less troubled than today’s youth.  Maybe you’ve even said something similar yourself; I know that I have. [Read more…]

What we know — and what we don’t — about standing desks

031030-F-2828D-166 Secretary of Defense Donald H. Rumsfeld works at the stand-up desk in his office as he goes over his opening remarks prior to a Pentagon press briefing on Oct. 30, 2003. Rumsfeld will give reporters an update on the progress of Operation Iraqi Freedom and take questions during the televised briefing. DoD photo Tech. Sgt. Andy Dunaway, U.S. Air Force. (Released)

If you pay any attention to news stories about health and wellness, you’ve likely read or heard that sitting for long periods of time can harm your health.

There is evidence to suggest that sitting for hours at a time leads to a host of health problems including heart disease, diabetes, bone and joint problems, poor posture, weak muscles and even some types of cancer. [Read more…]

Does fasting work for weight loss and health?

obesity-300x225Every few years, a new diet becomes popular for its promise to help people lose weight and improve their health. Sometimes, these diets are based on sound evidence, and other times they are not. Often when new diets first become popular, there is not enough data to know whether they really work. [Read more…]

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