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Scientists find 'better way' to grow adult stem cells.

A new plastic surface which overcomes the difficulties associated with growing adult stem cells has been developed, according to scientists.

Standard surfaces have proved limited for growing large amounts and retaining the stem cells' useful characteristics.

It is hoped the discovery could lead to the creation of stem cell therapies for re-growing bone and tissue, and also for conditions such as arthritis.

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This scanning electron micrograph shows human immunodeficiency virus (HIV-1), (spherical in appearance) co-cultivated with human lymphocytes. The Human Immunodeficiency Virus (HIV) is a retrovirus, was identified in 1983 as the etiologic agent for the Acquired Immunodeficiency Syndrome (AIDS). AIDS is characterized by changes in the population of T-cell lymphocytes that play a key role in the immune defense system. In the infected individual, the virus causes a depletion of subpopulation of T-cells, called T-helper cells, which leaves these patients susceptible to opportunistic infections and certain malignancies.

Two studies in Africa add weight to previous data showing drugs used to treat HIV can reduce infection risk when taken daily.

The World Health Organization said the studies could have "enormous impact" in preventing HIV transmission.

The findings were revealed in the run-up to an AIDS conference in Rome.

"This is a major scientific breakthrough which re-confirms the essential role that antiretroviral medicine has to play in the AIDS response," said Michel Sidibé, executive director of the Joint United Nations Programme on HIV/AIDS (UNAIDS).

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This is a scanning electron micrograph GOLDENROD Solidago canadensis, showing a magnification of x1500 (1500 times).

Goldenrod doesn’t cause hay fever, contrary to popular belief. Goldenrods are held guilty by association. They (Solidago spp.) bloom from late summer up to the frost. This is the same bloom period as ragweed (Ambrosia spp.), the true cause of hay fever.

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Women who want the best chance of having a baby should make sure they floss their teeth regularly, say doctors. Poor oral health is as bad for fertility as obesity - delaying conception by about two months.

Experts at a fertility meeting in Sweden heard how women with gum disease took over seven months to conceive, compared to the usual five months. They believe the underlying cause is inflammation. Unchecked, this can set off a chain of reactions capable of damaging the body's normal workings.

Peridontal disease has already been linked with heart disease, type 2 diabetes and miscarriage, plus poor sperm quality in men.

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Happy and safe 4th of July weekend to all!!!!!

Custom Medical Stock Photo represents over 100,000 medical and scientific images available for use by purchasing a copyright license.

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