A Moment of Science

Posts tagged heart

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

 

The Miracle Water Diet

Water weight doesn’t mean that you’ve been drinking too much–it means that you haven’t been drinking enough and that your body has detected a water shortage and is retaining water.

September 27, 2003

 

Swollen Hands and Walking

Swollen Hands and Walking, on today’s Moment of Science. Do your hands swell up when you walk? If they do, it probably has to do with your circulation. The circulatory system is a one way street. Blood flows away from the heart in the arteries, down the arms and legs then back up to the [...]

September 27, 2003

 

A gain lightening bolt in the distance.

Struck by Lightning

How is it that sometimes people survive multiple lightening strikes, while others die instantly?

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