September 10, 2013

Small Is Better

1 Testicle Size Linked to Nurturing

Dads with smaller testicles may be more involved with the care of their young kids, find researchers. The study, published in Proceedings of the National Academy of Sciences, involved 70 biological fathers who lived with their toddler and the mother. Researchers used MRIs to measure brain activity, as well as testicular volume. They also conducted separate interviews with the mothers and fathers. The findings revealed that the larger the testicles and the higher the testosterone levels, the smaller the amount of direct caregiving provided by fathers. You might assume that men with smaller testicles naturally provide more caregiving, but researchers say it's possible that testicles shrink in response to caregiving.

More at USA Today | Posted 4 years ago by Peggy Rowland

Previously: Testicle Festival Held in Serbia

Tags: Emory University, Proceedings of the National Academy of Sciences, Testicle Size, Nurturing Dads, Smaller Testicles Better Dads

Comment on This | Was this Interesting? Yes! (49%) / No! (51%)

Positive Attitudes Pay Off

2 Happy Heart Patients More Likely to Exercise

Positive attitudes pay off for heart patients. Researchers find that heart disease patients who possess positive attitudes are more likely to exercise and live longer. The study involved 600 ischemic heart disease patients who answered questionnaires to assess their moods. Researchers followed up with them five years later. Published in Circulation: Cardiovascular Quality and Outcomes, the findings show that the most positive patients not only exercised more, but they had a 42 percent decreased chance of dying for any reason during the follow-up period. Researchers also found that having a positive mood decreased the risk of hospitalizations related to heart problems. Ten percent of patients with positive attitudes died, compared with 16.5 percent with less positive attitudes.

More at EurekAlert | Posted 4 years ago by Peggy Rowland

Previously: Traffic May Endanger Heart Health

Tags: Heart Patient Attitudes, Power Positive Attitude, Helping Heart Patients Exercise, Heart Patients Live Longer, Circulation Cardiovascular Quality and Outcomes, Ischemic Heart Disease Patients

Comment on This | Was this Interesting? Yes! (48%) / No! (52%)

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