Climate change, ozone depletion and air quality need to be addressed coherently Ozone layer depletion, air pollution and climate change need to be addressed in connection with each other.
Potassium intake and risk for hyperkalaemia reviewed It is nearly impossible to get an overdose of potassium from natural food sources.
Adequate limit value for pyrrolizidine alkaloids in herbal tea and herbal preparations Pyrrolizidine alkaloids (PAs) are natural toxins occurring in a wide variety of plants, including herbs.