Author: Art Jahnke

Fitness Health

New Fitness Guidelines Include Short Workouts

Ten years ago, the federal government released its first set of exercise guidelines designed to keep adult Americans healthy. As Gretchen Reynolds reports in the New York Times, the feds recommended 150 minutes a week of moderate-intensity exercise, 75 minutes of vigorous exercise, and some type of strength training twice a week, among many […]


Marijuana Relieves Pain, More Research Is Wanted

No. It’s not surprising to learn that marijuana relieves pain, but it’s helpful for some people to know exactly how much cannabidiol (CBD), a marijuana plant extract, is needed to kill pain without getting anyone high. That’s what researchers at McGill University have figured out. First, from a McGill University news […]

Health Pain

Exercise Lowers Death Risk From Prostate Cancer

For years now, researchers have suspected that exercise lowered the risk of prostate cancer, but several studies turned up conflicting results. Now, from Harvard T.H. Chan School of Public Health, a large scale study suggests that exercise can lower the risk of aggressive prostate cancer. A Harvard news release reports that […]


Antibiotics And Your Gut Bacteria

By now, we all know how important gut bacteria is for, well, just about every aspect of our health. And we all want to encourage a rich and pleasing variety of gut bacteria, gut bacteria with kind of diversity that is destroyed by antibiotics. How bad is the damage? Researchers […]

Eating Well Health

For Strong Bones, Diet Tops Exercise

Yes, both diet and exercise help build stronger bones, but which has the greater influence? Researchers at the University of Michigan give the edge to diet. A U of Michigan news release reports that when researchers at the school looked at mineral supplementation and exercise in mice, they were surprised […]


Marijuana Ages Brain More Than Alcohol

No, pot is not safer than alcohol, at least when it comes to your brain. That’s the verdict of a study by researchers from Amen Clinics (Costa Mesa, CA), Google, John’s Hopkins University, University of California, Los Angeles and the University of California, San Francisco, who evaluated 62,454 brain SPECT […]