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Whether you like Obama Barack or not,you can visit the Obama Blog read comment and leave comments.

Surveys find causes of cancer little understood Rich and poor countries alike have mistaken understanding of the causes cancer and require better education on how to ward off cancer, according to an authoritative report issued on Wednesday.

Glaucoma is a group of diseases of the optic nerve involving loss of retinal ganglion cells in a characteristic pattern of optic neuropathy.