From the category archives:

Sex

The Heart (or Three) of an Octopus

by Dr. Stephen Parker (Article selection and Commentary) on August 12, 2010

August 12, 2010 | Mike Lisieski Cephalopods have quite a neat circulatory system …They have a closed circulatory system, meaning that their blood is contained within blood vessels, instead of just filling their body cavity. All other molluscs have an open circulatory system, where blood is still pumped by one or more hearts, but it [...]

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Having Sex Twice a Week ‘Reduces Chance of Heart Attack by Half’

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by Dr. Stephen Parker (Article selection and Commentary) on March 19, 2010

Men who have sex at least twice a week can almost halve their risk of heart disease, according to new research. It shows men who indulge in regular lovemaking are up to 45 per cent less likely to develop life-threatening heart conditions than men who have sex once a month or less. The study, of [...]

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Erectile Dysfunction Strong Predictor of Death

by Dr. Stephen Parker (Article selection and Commentary) on March 16, 2010

Cardiovascular Outcomes and Erectile Dysfunction ScienceDaily (Mar. 16, 2010) — Erectile dysfunction (ED) is a strong predictor of death from all causes and of heart attack, stroke and heart failure in men with cardiovascular disease (CVD), German researchers reported in Circulation: Journal of the American Heart Association. In the first study to show that ED [...]

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