Do most protists cause disease?
Protists and fungi may seem defenseless, but they can be deadly. Both are important causes of disease and death in other living things—including humans. Most protist diseases in humans are caused by animal-like protists, or protozoa. Protozoa make us sick when they become human parasites.
Are diseases caused by protists infectious?
The pathogenic protists that infect humans are all single-celled organisms, formerly called ‘protozoa’. They are responsible for a range of diseases, including: dysentery (bloody diarrhoea) caused by waterborne protists similar to the amoebae [amm-ee-bee] commonly found in freshwater ponds.
What diseases caused by protists can be transmitted to humans through drinking water?
Cryptosporidium and GiardiaDiseases caused by protozoa that are transmitted by contaminated drinking water are considered waterborne diseases.
How do protists affect human health?
Plant-like protists produce almost one-half of the oxygen on the planet through photosynthesis. Other protists decompose and recycle nutrients that humans need to live. For example, medicines made from protists are used in treatment of high blood pressure, digestion problems, ulcers, and arthritis.