Castrated rats treated with testosterone had significantly reduced heart damage and near-control stem cell and protein levels, the study found.

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However, the development of reproducible methods to control stem cell growth and differentiation is still a challenge and major studies are needed before stem cells can be widely used for therapeutic purposes.

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The amendment would grant full legal protection to embryos and foetuses and could outlaw some forms of birth control, stem-cell research and possibly in vitro fertilisation.

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Since April, China has raised interest rates twice, as well as demanding higher reserves for banks, in a move to control the expanding economy and stem inflation.

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Seifert, a professor of philosophy at the International Academy of Philosophy in Irving, Texas, appears to be the head of a group of members of the Academy that oppose any public discussions on Vatican property when it comes to stem cells or birth control.

FORBES: Vatican Academy Struggles With Internal Dissent Over Outreach to Biomedical Researchers

The Vatican has over recent decades issued blanket condemnations of artificial methods of birth control, in-vitro fertilization, therapeutic and reproductive cloning, and human embryonic stem cell research.

FORBES: Venter and the Vatican