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Regular exposure raises the risk of coronary artery disease and stroke almost as much as smoking a few cigarettes a day

A great barrier against certain fluctuating environmental conditions such as moisture, air, dirt, dust, and accidental damages

Some might be imported or diverted from legal supply chains

Lead study author Michele La Merrill, MPH, PhD, Assistant Professor, Department of Environmental Toxicology at the University of California, said: From a public health perspective, reduced foetal environmental tobacco smoke exposure appears to be an important modifiable risk factor for diabetes mellitus in offspring