The phrase "cause illnesses" is grammatically correct and can be used in written English.
Example: Pollution in our environment can cause illnesses such as asthma and lung disease.
Workers routinely work long shifts on very low pay and are exposed to harmful chemicals that can cause illnesses.
Generally, a spokeswoman said, contact with contaminated water may cause illnesses like vomiting, diarrhea, nausea, respiratory illness and infections.
The guidelines are to say there is no safe alcohol limit and even drinking small amounts could cause illnesses including cancer.
There needs to be greater honesty and openness in the workplace and an acceptance that work pressures cause illnesses that require time off.
Homeopathy is based on the premise that the substances that cause illnesses can become remedies when highly-diluted in water or an alcohol-based tincture.
Many beaches are frequently contaminated when untreated sewage flows into the ocean, carrying a variety of bacteria, viruses, protozoa and parasites that can cause illnesses ranging from diarrhea to hepatitis.
How many anthrax spores does it take to cause illness?
He has appealed, saying that H.I.V. does not cause illness.
It can cause illness and, if concentrated, death.
These toys contain contaminated water that, if contacted, could cause illness to children.
But most TB infections are latent; fewer than ten per cent will ever cause illness.
