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Why people stutter has long been a medical mystery, with the condition blamed over the years on emotional problems, overbearing parents and browbeating teachers. Now, for the first time, scientists have found genes that could explain some cases of stuttering.
In a discovery with important implications for the understanding of cancer and age associated diseases, scientists claim to have identified definitive variants related with biological ageing in humans.
A gene variant found only in people of African ancestry increases the chances of becoming infected with HIV-1 by 40 percent, according to a long-term study.
British and French scientists have identified several variants of a single gene that boost the risk of obesity, according to a study published on Sunday in the British journal Nature.
Embryonic stem cells from mice have been successfully put to work building their hearts - a development that takes researchers a step forward in stem cell-based generating therapies for heart disease.
Scientists have identified a gene which can cause the heart to become enlarged, greatly raising the risk of a heart attack, a finding they claim would help in developing new treatments for the condition.
A promising new gene therapy is likely to raise the hopes and more of those suffering erectile dysfunction.
