Environment factors important than genetic in autism

Study of twins suggests genetic component of autism spectrum disorders may be moderate — Environmental component may be substantial – Shared environmental factors ? experiences and exposures common to both twin individuals ? accounted for 55% of strict autism and 58% of more broadly defined autism spectrum disorders (ASD), revealed by researchers. Genetic heritability accounted for 37% of autism and 38% of ASD.

How breast cancer cells adapt to environmental stress

Cancer scientists discover new way breast cancer cells adapt to environmental stress – An international research team led by Dr. Tak Mak, Director, The Campbell Family Institute for Breast Cancer Research at Princess Margaret Hospital (PMH), has discovered a new aspect of “metabolic transformation”, the process whereby tumour cells adapt and survive under conditions that would kill normal cells.

Environmental chemicals in breast milk may cause testicular cancer later

Environmental chemicals found in breast milk and high incidence of testicular cancer — High levels of persistent environmental chemicals found in breast milk in a population with many male reproductive problems. – A comparison of breast milk samples from Denmark and Finland revealed a significant difference in environmental chemicals which have previously been implicated in testicular cancer or in adversely affecting development of the fetal testis in humans and animals.

Positive school environments reduce student smoking

Pupils who experience positive and inclusive social environments in school are less likely to take up smoking, according to new research. – A survey of high-school children in Scotland has shown that pupils who experience positive and inclusive social environments in schools are less likely to take up smoking. The teachers who succeed in creating a positive environment in school may be responsible for their pupils staying smoke-free.

Environmental toxins cause early onset puberty in girls

Certain environmental toxins may disrupt the normal growth and hormonal development of girls, and lead to early onset puberty in girls. – Although scientists have speculated over the negative effects of environmental toxins for years, new data suggest that certain environmental toxins may disrupt the normal growth and hormonal development of girls.

Environmental pollution can cause diabetes

Can environmental pollution cause diabetes? Cambridge scientists are advocating additional research into the little understood links between environmental pollution and type 2 diabetes. – In the most recent edition of the Lancet, researchers from University of Cambridge, Drs Oliver Jones and Julian Griffin highlight the need to research the possible link between persistent organic pollutants (POPs, a group which includes many pesticides) and insulin resistance, which can lead to adult onset diabetes.

Study of environmental chemicals in pregnant women and their babies

Canada is investing more than $4 million in a largest study of environmental chemicals in pregnant women and their babies. – The Government of Canada announced a $3.9 million investment in Canada’s largest study of environmental chemicals in pregnant women and their babies. To mark National Child Day and the one-year anniversary of the Chemicals Management Plan on December 8, the Honourable Tony Clement, Minister of Health, Canada announced this important step.

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