RIVM launches study on long-term effectiveness of COVID-19 vaccines RIVM is launching an extensive study today to research the long-term effectiveness of the various COVID-19 vaccines in the Netherlands.
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.