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Posts tagged legs

September 27, 2003

 

A Treadmill for the Mind

These days, lots of people get their exercise at gyms and health clubs, oftentimes by walking or running on treadmills–that is to say, running without going anywhere. If you’ve ever been on a treadmill for some time and then suddenly stepped off it, you’ve probably experienced the weird sensation that you are suddenly moving much faster than you think you should be.

September 27, 2003

 

Oy Vein!

Varicose veins in the legs occur when the valves in a vein near the surface of the skin malfunction. Valves usually keep blood from flowing backwards in the vein once it’s been pumped towards the heart.

September 27, 2003

 

Cold Feet and Hot Wings

Most birds you see standing on only one leg are doing an impressive balancing act while tucking the second leg into their feathers. This is much easier to recognize in large birds, such as flamingos, but the behavior itself is common to most birds.

September 27, 2003

 

What is Endometriosis?

Because these growths are pieces of uterine lining, they do what uterine lining normally does every month, the tissue grows and tries to be shed.

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