Research the causes of these more general types of symptom: 1  Stool symptoms (2508 causes). 2  Constipation (726 causes). 3  Digestive symptoms (5299 causes). 4  Bowel problems (2509 causes). 5  Bowel movements (2383 causes). 6  Intestinal symptoms (5299 causes). 7  Lower abdominal symptoms (3048 causes). 8  Abdominal symptoms (5930 causes).
Some poisons are also toxins, which is any poison produced by animals, vegetables or bacterium, such as the bacterial proteins that cause tetanus and botulism. A distinction between the two terms is not always observed, even among scientists. The derivative forms toxic and poisonous are synonymous.
Top Ten Most Dangerous Bacteria on Earth. Bacteria are disease-causing pathogens and some of them cause deadly illness and disease in human beings. Each year millions of people die because of these microscopic living beings.