28 Nov '15, 2am
'All substances are poisons.There is none which not a poison'. Who said that? https://t.co/Q7gUFh0QHw https://t.co/ZxdHSv9WW7
'People are exposed to a wide-range of hazardous substances in air, water and food. These include organic chemicals such as pesticides and other industrial chemicals, metals, airborne particles such as fibres and those produced by fossil fuel combustion and biological agents such as fungi and bacteria. These exposures may occur in our workplaces, in our homes or outdoors. Our response to these exposures may depend on our age and general state of health and our genetic constitution.