In Focus:

Obesity Can Actually Scar Your Fat Tissue, Making Weight Loss Even Harder

Our body's fat-storing mechanisms - called adipose tissues - are very good at the job of taking our excess calories and storing them in the form of high-energy molecules called lipids.

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Adopting a Dog Could Lengthen Your Life

Here's to keeping your health on a tight leash: New research suggests that having a dog might boost a single person's life span. The study tracked more than 3.4 million Swedes, middle-aged and older, for 12 years. All were free of heart disease at the beginning of the study. The researchers reported that dog...

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Toxic Extract Used in Poison Arrows Could Be The Future of Male Contraception

Scientists have identified a chemical that could be suitable for a male contraceptive pill in a plant extract that African warriors and hunters traditionally used as a heart-stopping poison on their arrows. A team of researchers from the University of Minnesota and the University of Kansas say ouabain, a toxic substance derived from two...

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Shift Work May Put Damper on a Man's Sex Life

 Male shift workers listen up: Two new studies link sleep disorders common in these men to urinary problems and erectile dysfunction. And a third report links the repercussions of shift work to lower-quality semen, which could make it harder for men to father children....

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