He had been too long among the Kolinahru, had absorbed too many of their precepts into his very bones.

Strontium-90, a calcium-like, radioactive substance produced from nuclear explosions, is absorbed by plants and animals and is passed through food to humans, whose bones absorb it.

But if you don't get enough calcium, there's nothing for the vitamin D to help your bones absorb.

This is because bones absorb the radiation more than the less dense soft tissue.

That is bad news since this vitamin helps bones absorb calcium.

The navicular bone, in response to both the increased pressure and overall decreased blood supply, would absorb mineral from its center.

Vitamin D helps bones absorb calcium and helps muscles get stronger.

Vitamin D, which helps the bones better absorb calcium, is also added to multivitamins and milk, and occurs naturally in fish.

It usually occurs when they do not get enough vitamin D, which helps growing bones absorb important nutrients.

"With less estrogen on board, your bones don't absorb calcium as well," says Dr. Minkin.