Only one in seven West Australian men involved in a new study met fertility benchmarks set by the World Health Organisation, researchers have said.
More than 400 WA men aged between 20 and 22 had testicular ultrasounds and sperm samples examined by researchers from the University of Western Australia and Perth’s King Edward Memorial Hospital.
They found 85 per cent of the men failed to reach the World Health Organisation’s criterion for fertility, which measures semen quality and sperm count. Continue reading »
Researchers from anti-ageing research company Alkahest took blood samples from 18-year-old humans and injected the plasma into 12-month-old mice twice a week for three weeks.
A one-year-old mouse is roughly equivalent to a 50-year-old human, and by that age mice have already started to show signs of ageing such as deteriorating memory and being less physically active.
When injected with human plasma, the old mice began to behave like younger mice, running around in open spaces. Their memory also showed improvements when tested in a special maze that measures spatial learning and memory. Continue reading »