What is the difference between the regulation of food products for natural toxins and the regulation of food products for hazards? Safe levels of natural toxins are allowed in foods, but foods must not contain hazards.
Safe levels of natural hazards are allowed in foods, but foods must not contain toxins.
High levels of natural toxins are allowed in food products, but hazards are unacceptable.
Natural toxins are not regulated, but food hazards are regulated for safety and health.

digital rectal exam (dre) a digital rectal exam (dre) is a test for both men and women. it allows a doctor to check the lower rectum, pelvis, and lower belly for cancer and other health problems, including: prostate cancer in men.

all soils contain mineral particles, organic matter, water and air the combinations determine the soil's properties – its texture, structure, porosity, chemistry and color. soil is made up of different-sized particles. sand particles tend to be the biggest.